| Code | Name | Region |
|---|---|---|
| USZKL | Tarpon Springs | FL |
| USTNW | Tarrant | AL |
| USTWZ | Tarrytown | NY |
| USTZN | Tarzan | TX |
| USTZR | Tarzana | CA |
| USTZY | Tasley | VA |
| USTLJ | Tatalina | AK |
| USAY6 | Tatamy | PA |
| USTTE | Tate | GA |
| USTEK | Tatitlek | AK |
| USTDI | Tatoosh Island | WA |
| USTTU | Tatum | SC |
| USTZU | Tatum | TX |
| USTNS | Taunton | MA |
| US9TA | Tauton | MA |
| USTAV | Tavares | FL |
| USTNE | Tavernier | FL |
| USKS6 | Tavistock | NJ |
| USTWY | Tawas City | MI |
| USTWE | Taylor | AK |
| USTSG | Tanacross | AK |
| USTBJ | Tanaga Bay | AK |
| USTPO | Tanalian Point | AK |
| USTAL | Tanana | AK |
| USTFY | Taneytown | MD |
| USZTG | Tangent | OR |
| USNNR | Tanner | AL |
| UST7V | Tannersville | NY |
| USTQV | Tannersville | PA |
| USTQX | Taopi | MN |
| USTSM | Taos | NM |
| USTKV | Tappahannock | VA |
| USTAP | Tappan | NY |
| USTPD | Tappen | ND |
| USTQH | Tar Heel | NC |
| USUZD | Tarboro | NC |
| USTTM | Tarentum | PA |
| USFF9 | Tariffville | CT |
| USTK5 | Tarkio | MO |
| USZIU | Tarpon Spings | FL |
| USASN | Talladega | AL |
| USTLH | Tallahassee | FL |
| USTAA | Tallapoosa | GA |
| USYTA | Tallassee, Elmore | AL |
| USTA9 | Talleyrand | FL |
| USTV3 | Talleyville | DE |
| USTMG | Tallmadge | OH |
| USTAK | Tallman | NY |
| USTAU | Tallulah | LA |
| USTLO | Talmo | GA |