| Area Code/County           | Count |
|----------------------------|-------|
| 319  Iowa                  | 6970  |
| 515  Iowa                  | 7863  |
| 563  Iowa                  | 4583  |
| 641  Iowa                  | 2790  |
| 712  Iowa                  | 4202  |
| Adair Iowa                 | 131   |
| Adams Iowa                 | 69    |
| Allamakee Iowa             | 179   |
| Appanoose Iowa             | 130   |
| Audubon Iowa               | 28    |
| Benton Iowa                | 332   |
| Black Hawk Iowa            | 1300  |
| Boone Iowa                 | 388   |
| Bremer Iowa                | 203   |
| Buchanan Iowa              | 145   |
| Buena Vista Iowa           | 92    |
| Butler Iowa                | 69    |
| Calhoun Iowa               | 133   |
| Carroll Iowa               | 251   |
| Cass Iowa                  | 131   |
| Cedar Iowa                 | 115   |
| Cerro Gordo Iowa           | 528   |
| Cherokee Iowa              | 45    |
| Chickasaw Iowa             | 83    |
| Clarke Iowa                | 64    |
| Clay Iowa                  | 124   |
| Clayton Iowa               | 135   |
| Clinton Iowa               | 795   |
| Crawford Iowa              | 115   |
| Dallas Iowa                | 361   |
| Davis Iowa                 | 139   |
| Decatur Iowa               | 53    |
| Delaware Iowa              | 108   |
| Des Moines Iowa            | 464   |
| Dickinson Iowa             | 288   |
| Dubuque Iowa               | 1181  |
| Emmet Iowa                 | 85    |
| Fayette Iowa               | 201   |
| Floyd Iowa                 | 181   |
| Franklin Iowa              | 72    |
| Fremont Iowa               | 93    |
| Greene Iowa                | 34    |
| Grundy Iowa                | 123   |
| Guthrie Iowa               | 108   |
| Hamilton Iowa              | 181   |
| Hancock Iowa               | 66    |
| Hardin Iowa                | 160   |
| Harrison Iowa              | 184   |
| Henry Iowa                 | 219   |
| Howard Iowa                | 54    |
| Humboldt Iowa              | 71    |
| Ida Iowa                   | 21    |
| Iowa Iowa                  | 262   |
| Jackson Iowa               | 190   |
| Jasper Iowa                | 579   |
| Jefferson Iowa             | 243   |
| Johnson Iowa               | 2031  |
| Jones Iowa                 | 341   |
| Keokuk Iowa                | 140   |
| Kossuth Iowa               | 101   |
| Lee Iowa                   | 647   |
| Linn Iowa                  | 3000  |
| Louisa Iowa                | 105   |
| Lucas Iowa                 | 58    |
| Lyon Iowa                  | 70    |
| Madison Iowa               | 98    |
| Mahaska Iowa               | 209   |
| Marion Iowa                | 186   |
| Marshall Iowa              | 419   |
| Mills Iowa                 | 159   |
| Mitchell Iowa              | 39    |
| Monona Iowa                | 107   |
| Monroe Iowa                | 82    |
| Montgomery Iowa            | 189   |
| Muscatine Iowa             | 281   |
| No Zip Code Reported, Iowa | 165   |
| Obrien Iowa                | 73    |
| Osceola Iowa               | 22    |
| Page Iowa                  | 204   |
| Palo Alto Iowa             | 148   |
| Plymouth Iowa              | 402   |
| Pocahontas Iowa            | 37    |
| Polk Iowa                  | 6915  |
| Pottawattamie Iowa         | 1363  |
| Poweshiek Iowa             | 246   |
| Ringgold Iowa              | 33    |
| Sac Iowa                   | 39    |
| Scott Iowa                 | 2651  |
| Shelby Iowa                | 130   |
| Sioux Iowa                 | 225   |
| Story Iowa                 | 1363  |
| Tama Iowa                  | 270   |
| Taylor Iowa                | 87    |
| Union Iowa                 | 117   |
| Van Buren Iowa             | 88    |
| Wapello Iowa               | 282   |
| Warren Iowa                | 765   |
| Washington Iowa            | 199   |
| Wayne Iowa                 | 63    |
| Webster Iowa               | 285   |
| Winnebago Iowa             | 46    |
| Winneshiek Iowa            | 162   |
| Woodbury Iowa              | 1033  |
| Worth Iowa                 | 41    |
| Wright Iowa                | 72    |