# Delivery Statistics Product

# 

# 

# ![](media/image1.png){width="6.479166666666667in" height="5.354166666666667in"}

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# Technical Guide

#### Version 3.1

#### May 2006

**Delivery Statistics Product --- Copyright Record**

  --------------- -------------------- ------------- --------------- -----------------
  **Field**                                          **Relative**    

  **Reference**                        **Logical**   **Position**    

  **Numbers**     **Field              **Length**    **From/Thru**   **Content Notes**
                  Description**                                      

  1               Copyright Detail     01            01 -- 01        C = Copyright
                  Code                                               

  2               Filler               05            02 -- 06        

  3               Copyright Statement  12            07 -- 18        Copyright ©

  4               Filler               01            19 -- 19        

  5               File Version Month   02            20 -- 21        01 Through 12

  6               Dash                 01            22 -- 22        --

  7               File Version Year    02            23 -- 24        00 Through 99

  8               Filler               01            25 -- 25        

  9               Copyright Owner      04            26 -- 29        USPS

  10              Filler               01            30 -- 30        

  11              Volume Sequence      03            31 -- 33        01 Through 255
                  Number                                             

  12              Filler               186           34 -- 219       

                                                                     
  --------------- -------------------- ------------- --------------- -----------------

**Delivery Statistics Product --- Detail Record**

+--------+--------------------+--------+------------+-----------------+
| **F    |                    |        | **         |                 |
| ield** |                    |        | Relative** |                 |
+--------+--------------------+--------+------------+-----------------+
| *      |                    | **Log  | **         |                 |
| *Refer |                    | ical** | Position** |                 |
| ence** |                    |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
| **Num  | **Field            | **Le   | **F        | **Content       |
| bers** | Description**      | ngth** | rom/Thru** | Notes**         |
+--------+--------------------+--------+------------+-----------------+
| 1      | Copyright Detail   | 01     | 01 -- 01   | D = Detail      |
|        | Code               |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
| 2      | ZIP Code           | 05     | 02 -- 06   |                 |
+--------+--------------------+--------+------------+-----------------+
| 3      | Update Key Number  | 10     | 07 -- 16   |                 |
+--------+--------------------+--------+------------+-----------------+
| 4      | Action Code        | 01     | 17 -- 17   | A = Add         |
+--------+--------------------+--------+------------+-----------------+
|        |                    |        |            | D = Delete      |
+--------+--------------------+--------+------------+-----------------+
| 5      | Carrier Route      | 04     | 18 -- 21   |                 |
|        | Indicator          |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
| 6      | **Scheme Active    |        |            |                 |
|        | Statistics         |        |            |                 |
|        | Section**          |        |            |                 |
|        |                    |        |            |                 |
|        | Scheme Active      |        |            |                 |
|        | Business           |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Centralized      | 05     | 22 -- 26   |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 27 -- 31   |                 |
|        | > Curb Count       |        |            |                 |
|        | >                  | 05     | 32 -- 36   |                 |
|        | > NDCBU Count      |        |            |                 |
|        | >                  | 05     | 37 -- 41   |                 |
|        | > Other Count      |        |            |                 |
|        | >                  | 05     | 42 -- 46   |                 |
|        | > Facility Box     |        |            |                 |
|        | > Count            | 05     | 47 -- 51   |                 |
|        | >                  |        |            |                 |
|        | > Contract Box     | 05     | 52 -- 56   |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 57 -- 61   |                 |
|        | > Detached Box     |        |            |                 |
|        | > Count            |        |            |                 |
|        | >                  |        |            |                 |
|        | > NPU Count        |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | Scheme Active      |        |            |                 |
|        | Residential        |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Centralized      | 05     | 62 -- 66   |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 67 -- 71   |                 |
|        | > Curb Count       |        |            |                 |
|        | >                  | 05     | 72 -- 76   |                 |
|        | > NDCBU Count      |        |            |                 |
|        | >                  | 05     | 77 -- 81   |                 |
|        | > Other Count      |        |            |                 |
|        | >                  | 05     | 82 -- 86   |                 |
|        | > Facility Box     |        |            |                 |
|        | > Count            | 05     | 87 -- 91   |                 |
|        | >                  |        |            |                 |
|        | > Contract Box     | 05     | 92 -- 96   |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 97 -- 101  |                 |
|        | > Detached Box     |        |            |                 |
|        | > Count            |        |            |                 |
|        | >                  |        |            |                 |
|        | > NPU Count        |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | Scheme Active      |        |            |                 |
|        | General            |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Delivery Count   | 05     | 102 -- 106 |                 |
+--------+--------------------+--------+------------+-----------------+
| 7      | **Scheme Possible  |        |            |                 |
|        | Statistics         |        |            |                 |
|        | Section**          |        |            |                 |
|        |                    |        |            |                 |
|        | Scheme Possible    |        |            |                 |
|        | Business           |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Centralized      | 05     | 107 -- 111 |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 112 -- 116 |                 |
|        | > Curb Count       |        |            |                 |
|        | >                  | 05     | 117 -- 121 |                 |
|        | > NDCBU Count      |        |            |                 |
|        | >                  | 05     | 122 -- 126 |                 |
|        | > Other Count      |        |            |                 |
|        | >                  | 05     | 127 -- 131 |                 |
|        | > Facility Box     |        |            |                 |
|        | > Count            | 05     | 132 -- 136 |                 |
|        | >                  |        |            |                 |
|        | > Contract Box     | 05     | 137 -- 141 |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 142 -- 146 |                 |
|        | > Detached Box     |        |            |                 |
|        | > Count            |        |            |                 |
|        | >                  |        |            |                 |
|        | > NPU Count        |        |            |                 |
+--------+--------------------+--------+------------+-----------------+

**Delivery Statistics Product --- Detail Record** (Continued)

+--------+--------------------+--------+------------+-----------------+
| **F    |                    |        | **         |                 |
| ield** |                    |        | Relative** |                 |
+--------+--------------------+--------+------------+-----------------+
| *      |                    | **Log  | **         |                 |
| *Refer |                    | ical** | Position** |                 |
| ence** |                    |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
| **Num  | **Field            | **Le   | **F        | **Content       |
| bers** | Description**      | ngth** | rom/Thru** | Notes**         |
+--------+--------------------+--------+------------+-----------------+
|        | Scheme Possible    |        |            |                 |
|        | Residential        |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Centralized      | 05     | 147 -- 151 |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 152 -- 156 |                 |
|        | > Curb Count       |        |            |                 |
|        | >                  | 05     | 157 -- 161 |                 |
|        | > NDCBU Count      |        |            |                 |
|        | >                  | 05     | 162 -- 166 |                 |
|        | > Other Count      |        |            |                 |
|        | >                  | 05     | 167 -- 171 |                 |
|        | > Facility Box     |        |            |                 |
|        | > Count            | 05     | 172 -- 176 |                 |
|        | >                  |        |            |                 |
|        | > Contract Box     | 05     | 177 -- 181 |                 |
|        | > Count            |        |            |                 |
|        | >                  | 05     | 182 -- 186 |                 |
|        | > Detached Box     |        |            |                 |
|        | > Count            |        |            |                 |
|        | >                  |        |            |                 |
|        | > NPU Count        |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | Scheme Possible    |        |            |                 |
|        | General            |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Delivery Count   | 05     | 187 -- 191 |                 |
+--------+--------------------+--------+------------+-----------------+
| 8      | Scheme Drop        |        |            |                 |
|        | Business/Families  |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
|        | > Served Count     | 05     | 192 -- 196 |                 |
+--------+--------------------+--------+------------+-----------------+
| 9      | Finance Number     | 06     | 197 -- 202 |                 |
+--------+--------------------+--------+------------+-----------------+
| 10     | State Abbreviation | 02     | 202 -- 204 |                 |
+--------+--------------------+--------+------------+-----------------+
| 11     | County Number      | 03     | 205 -- 207 |                 |
+--------+--------------------+--------+------------+-----------------+
| 12     | Municipality City  | 06     | 208 -- 213 |                 |
|        | State Key          |        |            |                 |
+--------+--------------------+--------+------------+-----------------+
| 13     | Preferred Last     | 06     | 214 -- 219 |                 |
|        | Line City State    |        |            |                 |
|        | Key                |        |            |                 |
+--------+--------------------+--------+------------+-----------------+

Data Element Definitions

+----------------------+-----------------------------------------------+
| **COPYRIGHT DETAIL   | Alphabetic code that identifies the type of   |
| CODE**               | record in a USPS product file.                |
+----------------------+-----------------------------------------------+
| **COPYRIGHT          | Field that is part of the USPS copyright      |
| STATEMENT**          | record and contains the word "Copyright ©."   |
+----------------------+-----------------------------------------------+
| **FILE VERSION       | Field representing the month for the current  |
| MONTH**              | edition of the file.                          |
+----------------------+-----------------------------------------------+
| **FILE VERSION       | Field containing the last two digits of the   |
| YEAR**               | year for the current edition of the file.     |
+----------------------+-----------------------------------------------+
| **COPYRIGHT OWNER**  | Field containing the letters that are part of |
|                      | the USPS copyright record and the acronym     |
|                      | "USPS."                                       |
+----------------------+-----------------------------------------------+
| **VOLUME SEQUENCE    | For multi-volume files, a sequence number     |
| NUMBER**             | representing the position of any given volume |
|                      | within the entire set of cartridges and CDs.  |
+----------------------+-----------------------------------------------+
|                      |                                               |
+----------------------+-----------------------------------------------+
| **ZIP CODE**         | A 5-digit code that identifies a specific     |
|                      | geographic delivery area. ZIP Codes can       |
|                      | represent an area within a state, an area     |
|                      | that crosses state boundaries (unusual        |
|                      | condition), or a single building or company   |
|                      | that has a very high mail volume. ZIP is an   |
|                      | acronym for Zone Improvement Plan.            |
+----------------------+-----------------------------------------------+
| **UPDATE KEY         | Field that contains a number that uniquely    |
| NUMBER**             | identifies a record; used to identify the     |
|                      | base record to which an add or delete         |
|                      | transaction is being directed. The Update Key |
|                      | Number field is used only when applying       |
|                      | transactions to the base file; it is not used |
|                      | in address matching and remains fixed for the |
|                      | life of the record. The field is alphanumeric |
|                      | and consists of the database segment code     |
|                      | (V1, V2, W1, W2, X1, X2, Y1, Y2, Z1, or Z2)   |
|                      | and eight characters containing an            |
|                      | alphanumeric value ranging from 00000001 to   |
|                      | AAAAAAAA.                                     |
+----------------------+-----------------------------------------------+
| **ACTION CODE**      | A field indicating the action to be taken in  |
|                      | updating the base master files. For those     |
|                      | files, this field will always contain an "A"  |
|                      | action code. For transaction files, this      |
|                      | field will contain an "A" (add record to      |
|                      | file) or "D" (delete base master record).     |
+----------------------+-----------------------------------------------+
| **CARRIER ROUTE      | A 4-byte code assigned to a mail delivery or  |
| INDICATOR**          | collection route within a 5-digit ZIP Code.   |
|                      | The first character of this identification is |
|                      | alphabetical, and the last three are numeric. |
+----------------------+-----------------------------------------------+
| # SCHEME ACTIV       | A data name used to group delivery statistics |
| E STATISTICS SECTION | for active mail deliveries. This section is   |
|                      | composed of data fields within the Scheme     |
|                      | Active Business and Scheme Active Residential |
|                      | groupings.                                    |
+----------------------+-----------------------------------------------+
| **Scheme Active      | A grouping of delivery statistics data fields |
| Business**           | that define the number of active mail         |
|                      | deliveries made to various classes of         |
| #                    | business delivery points, e.g., post office   |
|                      | boxes, curb, or door slot. These fields       |
|                      | (described below) are technical elements      |
|                      | required for data-processing.                 |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Business             | business non-NDCBU central delivery           |
|                      | equipment, i.e., apartment receptacles,       |
| **Centralized        | delivery centers, or mailroom receptacles.    |
| Count**              | These receptacles are generally any           |
|                      | mail-receiving units in which the carrier has |
|                      | access to more than one individual            |
|                      | customer\'s receptacle by opening only one    |
|                      | door or a single arrow lock. This count does  |
|                      | not include curbside receptacles.             |
|                      |                                               |
|                      | For rural delivery, the number of business    |
|                      | rural mail-receiving units in which the rural |
|                      | carrier has access to more than one           |
|                      | individual customer\'s mail receptacle by     |
|                      | opening one door.                             |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Business             | business receptacles that are located at the  |
|                      | curb.                                         |
| **Curb Count**       |                                               |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Business             | business cluster boxes, also known as         |
|                      | Neighborhood Delivery and Collection Box      |
| **NDCBU Count**      | Units (NDCBU). An NDCBU is a USPS-installed   |
|                      | freestanding unit that contains mail          |
|                      | compartments in groups of 8, 12, 16, or 18.   |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Business             | businesses by means other than curb, post     |
|                      | office box, or NDCBU. Examples of this type   |
| **Other Count**      | of delivery include door-to-door (walking     |
|                      | route) or door-slot delivery.                 |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active business mail deliveries |
| Business             | made to post office boxes that are located in |
|                      | detached box units, i.e., a box section that  |
| **Facility Box       | is not located in a post office building, but |
| Count**              | one for which USPS collects box rent.         |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active business mail deliveries |
| Business **Contract  | made to post office boxes in contract         |
| Box Count**          | stations.                                     |
+----------------------+-----------------------------------------------+
| # Sc                 | For a carrier route, the number of active     |
| heme Active Business | business mail deliveries made to post office  |
|                      | boxes located in detached box units, i.e., a  |
| # Detached Box Count | box section that is not located in a post     |
|                      | office building, but one for which USPS       |
|                      | collects box rent.                            |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active Non-Personnel Units      |
| Business             | (NPU) on a delivery route.                    |
|                      |                                               |
| **NPU Count**        |                                               |
+----------------------+-----------------------------------------------+
| **Scheme Active      | A grouping of delivery statistics data fields |
| Residential**        | that define the number of active mail         |
|                      | deliveries made to various classes of         |
| #                    | residential delivery points, e.g., post       |
|                      | office boxes, curb, or door slot. These       |
|                      | fields (described below) are technical        |
|                      | elements required for data-processing.        |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Residential          | residential non-NDCBU central delivery        |
|                      | equipment, i.e., apartment receptacles,       |
| **Centralized        | delivery centers, or mailroom receptacles.    |
| Count**              | These receptacles are generally any           |
|                      | mail-receiving units in which the carrier has |
|                      | access to more than one individual            |
|                      | customer\'s receptacle by opening only one    |
|                      | door or a single arrow lock. This count does  |
|                      | not include curbside receptacles.             |
|                      |                                               |
|                      | For rural delivery, the number of residential |
|                      | rural mail-receiving units in which the rural |
|                      | carrier has access to more than one           |
|                      | individual customer\'s mail receptacle by     |
|                      | opening one door.                             |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Residential          | residential receptacles that are located at   |
|                      | the curb.                                     |
| **Curb Count**       |                                               |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Residential          | residential cluster boxes, also known as      |
|                      | Neighborhood Delivery and Collection Box      |
| **NDCBU Count**      | Units (NDCBU). An NDCBU is a USPS-installed   |
|                      | freestanding unit that contains mail          |
|                      | compartments in groups of 8, 12, 16, or 18.   |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active mail deliveries made to  |
| Residential          | residences by means other than curb, post     |
|                      | office box, or NDCBU. Examples of this type   |
| **Other Count**      | of delivery include door-to-door (walking     |
|                      | route) or door-slot delivery.                 |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active residential mail         |
| Residential          | deliveries made to post office boxes that are |
|                      | located in detached box units, i.e., a box    |
| **Facility Box       | section that is not located in a post office  |
| Count**              | building, but one for which USPS collects box |
|                      | rent.                                         |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active residential mail         |
| Residential          | deliveries made to post office boxes in       |
|                      | contract stations.                            |
| **Contract Box       |                                               |
| Count**              |                                               |
+----------------------+-----------------------------------------------+

+----------------------+-----------------------------------------------+
| Scheme Active        | For a carrier route, the number of active     |
| Residential          | residential mail deliveries made to post      |
|                      | office boxes located in detached box units,   |
| # Detached Box Count | i.e., a box section that is not located in a  |
|                      | post office building, but one for which USPS  |
|                      | collects box rent.                            |
+----------------------+-----------------------------------------------+
| Scheme Active        | The number of active Non-Personnel Units      |
| Residential          | (NPU) on a delivery route.                    |
|                      |                                               |
| **NPU Count**        |                                               |
+----------------------+-----------------------------------------------+
| # Schem              | The number of active residences served at the |
| e Active Residential | given general delivery.                       |
|                      |                                               |
| **General Delivery** |                                               |
+----------------------+-----------------------------------------------+
| #                    |                                               |
+----------------------+-----------------------------------------------+
| **SCHEME POSSIBLE    | A data name used to group delivery statistics |
| STATISTICS SECTION** | for possible mail deliveries. This section is |
|                      | composed of data fields within the Scheme     |
|                      | Possible Business and Scheme Possible         |
|                      | Residential groupings.                        |
+----------------------+-----------------------------------------------+
| **Scheme Possible    | A grouping of delivery statistics data fields |
| Business**           | that define the number of possible mail       |
|                      | deliveries made to various classes of         |
|                      | business delivery points, e.g., post office   |
|                      | boxes, curb, or mailrooms. These fields       |
|                      | (described below) are technical elements      |
|                      | required for data-processing.                 |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible deliveries made to     |
| Business             | businesses at which mail is delivered to a    |
|                      | delivery center or mailroom. Generally, this  |
| **Centralized        | is any mail-receiving unit in which the       |
| Count**              | carrier has access to more than one           |
|                      | individual customer\'s receptacles by opening |
|                      | only one door or a single arrow lock.         |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Business             | to business mail receptacles located at the   |
|                      | curb.                                         |
| **Curb Count**       |                                               |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Business             | to business cluster boxes, also known as      |
|                      | Neighborhood Delivery and Collection Box      |
| **NDCBU Count**      | Units (NDCBU). An NDCBU is a USPS-installed   |
|                      | freestanding unit that contains mail          |
|                      | compartments in groups of 8, 12, 16, or 18.   |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Business             | to businesses by means other than curb, post  |
|                      | office box, or NDCBU. Examples of this type   |
| **Other Count**      | of delivery include door-to-door (walking     |
|                      | route) or door-slot delivery.                 |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible business mail          |
| Business             | deliveries made to post office boxes located  |
|                      | in USPS facilities.                           |
| **Facility Box       |                                               |
| Count**              |                                               |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible business mail          |
| Business             | deliveries made to post office boxes located  |
|                      | in contract stations.                         |
| **Contract Box       |                                               |
| Count**              |                                               |
+----------------------+-----------------------------------------------+

+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible business mail          |
| Business             | deliveries made to post office boxes located  |
|                      | in detached box units, i.e., a box section    |
| **Detached Box       | that is not located in a post office          |
| Count**              | building, but one for which USPS collects box |
|                      | rent.                                         |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible Non-Personnel Units    |
| Business             | (NPU) on a delivery route.                    |
|                      |                                               |
| **NPU Count**        |                                               |
+----------------------+-----------------------------------------------+
| **Scheme Possible    | A grouping of delivery statistics data fields |
| Residential**        | that define the number of possible mail       |
|                      | deliveries made to various classes of         |
|                      | residential delivery points, e.g., post       |
|                      | office boxes, curb, or door slot. These       |
|                      | fields (describe below) are technical         |
|                      | elements required for data-processing.        |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Residential          | to residential receptacles located at the     |
|                      | curb.                                         |
| **Curb Count**       |                                               |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Residential          | to residential cluster boxes, also known as   |
|                      | Neighborhood Delivery and Collection Box      |
| **NDCBU Count**      | Units (NDCBU). An NDCBU is a USPS-installed   |
|                      | freestanding unit that contains mail          |
|                      | compartments in groups of 8, 12, 16, or 18.   |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Residential          | to residential non-NDCBU central delivery     |
|                      | equipment (i.e., apartment house receptacles, |
| **Centralized        | delivery centers, or mailroom receptacles).   |
| Count**              | Generally, this is any mail-receiving unit in |
|                      | which the carrier has access to more than one |
|                      | individual customer\'s receptacles by opening |
|                      | only one door or a single arrow lock. This    |
|                      | count does not include curbside receptacles.  |
|                      |                                               |
|                      | For rural delivery, the number of residential |
|                      | rural mail-receiving units in which the rural |
|                      | carrier has access to more than one           |
|                      | individual customer\'s mail receptacle by     |
|                      | opening one door.                             |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible mail deliveries made   |
| Residential          | to residences by means other than curb, post  |
|                      | office box, or NDCBU. Examples of this type   |
| **Other Count**      | of delivery include door-to-door (walking     |
|                      | route) or door-slot delivery.                 |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible residential mail       |
| Residential          | deliveries made to post office boxes located  |
|                      | in USPS facilities.                           |
| **Facility Box       |                                               |
| Count**              |                                               |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible residential mail       |
| Residential          | deliveries made to post office boxes located  |
|                      | in contract stations.                         |
| **Contract Box       |                                               |
| Count**              |                                               |
+----------------------+-----------------------------------------------+

+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible residential mail       |
| Residential          | deliveries made to post office boxes located  |
|                      | in detached box units, i.e., a box section    |
| **Detached Box       | that is not located in a post office          |
| Count**              | building, but one for which USPS collects box |
|                      | rent.                                         |
+----------------------+-----------------------------------------------+
| Scheme Possible      | The number of possible Non-Personnel Units    |
| Residential          | (NPU) on a delivery route.                    |
|                      |                                               |
| **NPU Count**        |                                               |
+----------------------+-----------------------------------------------+
| # Scheme             | The number of possible residences served at   |
| Possible Residential | the given general delivery.                   |
|                      |                                               |
| **General Delivery** |                                               |
+----------------------+-----------------------------------------------+
| #                    |                                               |
+----------------------+-----------------------------------------------+
| **SCHEME DROP        | For a carrier route, the number of businesses |
| BUSINESS/FAMILIES    | or families served at drop sites. A drop site |
| SERVED COUNT**       | is a single delivery point or receptacle that |
|                      | services multiple "families." Examples of     |
|                      | drop sites include a single door slot shared  |
|                      | by two families, a box on a wall for          |
|                      | duplexes, or a boarding house or fraternity   |
|                      | at which mail is delivered to the door for    |
|                      | subsequent distribution. Mail for drop sites  |
|                      | is distributed internally by the site.        |
|                      | Commercial mailbox companies are also         |
|                      | classified as drop sites because the carrier  |
|                      | delivers the mail to one point, and it is     |
|                      | distributed to specific boxes by the company. |
+----------------------+-----------------------------------------------+
| # FINANCE NUMBER     | A code assigned to the delivery postal        |
|                      | service facility for purposes of collecting   |
|                      | cost and statistical data; and for compiling  |
|                      | revenue and expense data.                     |
+----------------------+-----------------------------------------------+
| **STATE              | A two-character abbreviation for the name of  |
| ABBREVIATION**       | a state, U.S. territory, or armed forces ZIP  |
|                      | Code designation. If APO/FPO, then the state  |
|                      | abbreviation will be "AA," "AE," or "AP."     |
+----------------------+-----------------------------------------------+
| **COUNTY NUMBER**    | The Federal Information Processing Standard   |
|                      | (FIPS) code assigned to a given county or     |
|                      | parish within a state. In Alaska, it          |
|                      | identifies a region within the state. If      |
|                      | APO/FPO and the record type is "S," "H," or   |
|                      | "F," the county number will be blank.         |
+----------------------+-----------------------------------------------+
| **MUNICIPALITY CITY  | This field will be blank until further        |
| STATE KEY**          | notice.                                       |
+----------------------+-----------------------------------------------+
| **PREFERRED LAST     | In the Carrier Route, Five-Digit ZIP Code,    |
| LINE CITY STATE      | Delivery Statistics, and ZIP+4 products, an   |
| KEY**                | index to the City State product record that   |
|                      | provides the preferred last-line name for     |
|                      | this address range.                           |
+----------------------+-----------------------------------------------+