[DOC] [TLE] U.S. ZIP Code Areas (Five-Digit) - Duke University Libraries [PAR] Jul 21, 2010 ... The first digit of a five-digit ZIP Code divides the United States into 10 ... of 10 
smaller geographical areas, identified by the second and third digits. ... The fourth 
and fifth digits identify a post office, station, branch or local delivery area. ... Each 
data vendor has its own data licensing policies and may grant... [DOC] [TLE] U.S. ZIP Code Areas [PAR] The first digit of a five-digit ZIP Code divides the country into 10 large groups of 
states ... of 10 smaller geographical areas, identified by the 2nd and 3rd digits. ... 
The 4th and 5th digits identify a post office, station, branch or local delivery area. 
... Each data vendor has its own data licensing policies and may grant varying... [DOC] [TLE] USA ZIP Codes - ArcGIS [PAR] This map features five-digit ZIP Code areas used by the U.S. Postal Service to ... 
The first digit of a five-digit ZIP Code divides the United States into 10 large ... of 
10 smaller geographical areas, identified by the second and third digits. ... The 
fourth and fifth digits identify a post office, station, branch or local delivery area. [DOC] [TLE] ZIP Codes 101 - SmartyStreets [PAR] There are three main parts of the 5-digit ZIP Codethe national area, the ... If a 
region has a main town or city, the USPS will often assign it the first ZIP Codes. ... 
The fourth and fifth digits of the ZIP Code represent the area of the city or town. ... 
Although most ZIP Codes can be roughly assigned to a geographic area, ZIP... [DOC] [TLE] California ZIP Code Areas - Data.gov [PAR] California ZIP Code Areas represents five-digit ZIP Code areas used by the U.S. 
Postal ... The first digit of a five-digit ZIP Code divides the country into 10 large 
groups of ... of 10 smaller geographical areas, identified by the 2nd and 3rd digits
. ... The 4th and 5th digits identify a post office, station, branch or local delivery 
area. [DOC] [TLE] The Story of the Social Security Number [PAR] At its inception, the SSN 's only purpose was to uniquely identify U.S. workers, ... 
One of the first steps in administering the Social Security Act was to devise a 
means to track ... The 3-digit area number is assigned by geographic region. ..... 
post offices to assign SSN s for the second, third, and fourth class post offices 
within... [DOC] [TLE] zipcodeboundary_dynamapv122.xml - EPA [PAR] DEFAULT Geographic Data Technology 20020701 Unknown Dynamap map 
Dynamap ... of 10 smaller geographical areas, identified by the 2nd and 3rd digits
. ... The 4th and 5th digits identify a post office, station, branch or local delivery 
area. U.S. ZIP Code Areas provides area, post office name, and population for 
each... [DOC] [TLE] Metadata - Virgo GIS [PAR] The first digit of a five-digit ZIP Code divides the country into 10 large groups of 
states ... of 10 smaller geographical areas, identified by the 2nd and 3rd digits. ... 
The 4th and 5th digits identify a post office, station, branch or local delivery area.<
/abstract> <purpose>Arizona ZIP Code Areas provides area, post office name,... [DOC] [TLE] Metadata - Oregon Spatial Data Library [PAR] Oregon State University April, 2007 Oregon ZIP Code Areas vector digital data ... 
The first digit of a five-digit ZIP Code divides the country into 10 large groups of ... 
of 10 smaller geographical areas, identified by the second and third digits. ... The 
fourth and fifth digits identify a post office, station, branch or local delivery area. [DOC] [TLE] introduc.asc [PAR] The first agriculture census was taken in 1840 as part of the sixth decennial 
census of population. ... The report for each area includes a discussion of its farm 
definition. ... geographic areas identified by the second and third digits of the ZIP 
Code. ... Code/post office name match; 2) inserted ZIP codes or post office names 
into... [DOC] [TLE] Standard Point Location Code  (SPLC

Question: Its 1st digit identifies geographical area, & the 4th & 5th identify the post office
Answer: the zip code