| Zipcode | Community | City | State | Metro Area |
|---|---|---|---|---|
| 01001 | Agawam | Agawam | Massachusetts | Springfield MA |
| 02535 | Aquinnah | Chilmark | Massachusetts | Vineyard Haven MA |
| 13655 | Akwesasne | Hogansburg | New York | Malone NY |
| 15610 | Acme | Acme | Pennsylvania | Pittsburgh PA |
| 23302 | Assawoman | Assawoman | Virginia | |
| 28456 | Acme | Riegelwood | North Carolina | |
| 28781 | Aquone | Topton | North Carolina | |
| 29801 | Aiken | Aiken | South Carolina | Augusta-Richmond County GA-SC |
| 29802 | Aiken | Aiken | South Carolina | Augusta-Richmond County GA-SC |
| 29803 | Aiken | Aiken | South Carolina | Augusta-Richmond County GA-SC |
| 29804 | Aiken | Aiken | South Carolina | Augusta-Richmond County GA-SC |
| 29805 | Aiken | Aiken | South Carolina | Augusta-Richmond County GA-SC |
| 29808 | Aiken | Aiken | South Carolina | Augusta-Richmond County GA-SC |
| 30415 | Akin | Brooklet | Georgia | Statesboro GA |
| 31624 | Axson | Axson | Georgia | |
| 49610 | Acme | Acme | Michigan | Traverse City MI |
| 60911 | Ashkum | Ashkum | Illinois | |
| 62890 | Akin | Thompsonville | Illinois | |
| 68428 | Agnew | Raymond | Nebraska | Lincoln NE |
| 71316 | Acme | Acme | Louisiana | Natchez MS-LA |
| 71375 | Azucena | Waterproof | Louisiana | |
| 79221 | Aiken | Aiken | Texas | |
| 82839 | Acme | Ranchester | Wyoming | Sheridan WY |
| 87034 | Acoma | Pueblo of acoma | New Mexico | Grants NM |
| 96910 | Asan | Hagatna | Guam | |
| 96910 | Agana | Hagatna | Guam | |
| 96932 | Agana | Hagatna | Guam | |
| 98220 | Acme | Acme | Washington | Bellingham WA |
| 98362 | Agnew | Port angeles | Washington | Port Angeles WA |