| Code | Name | Region |
|---|---|---|
| USTAM | Tama | IA |
| USTMQ | Tamaqua | PA |
| USTRK | Tamarac | FL |
| USTMM | Tamms | IL |
| USTPA | Tampa | FL |
| USTK8 | Tampa | KS |
| USTM3 | Tampa | KS |
| USTMK | Tampico | IL |
| USXTS | Tams | WV |
| USRMX | Tamworth | NH |
| USTF4 | Taft, Orange | FL |
| USTFX | Tafton | PA |
| USTFV | Taftsville | VT |
| USTAF | Taftville | CT |
| USTGU | Tahlequah | OK |
| USHNE | Tahneta Pass Lodge | AK |
| USTAC | Tahoe City | CA |
| USTAH | Tahoka | TX |
| USAQK | Tahoma | CA |
| USTA3 | Tahuya | WA |
| USZAO | Taintor | IA |
| USZIV | Takoma Park | MD |
| USTCT | Takotna | AK |
| USTKL | Taku Lodge | AK |
| USTNT | Talbott | TN |
| USTC7 | Talco | TX |
| USYTL | Talent | OR |
| USTA2 | Talihina | OK |
| USTKA | Talkeetna | AK |
| USTBB | Talla Bena | LA |
| USYL9 | Sylvania | OH |
| USSYV | Sylvester | GA |
| USYMO | Symsonia | KY |
| USSYQ | Syosset | NY |
| USSYZ | Syracuse | IN |
| USYRA | Syracuse | NE |
| USSYR | Syracuse | NY |
| USYCS | Syracuse | OH |
| USJAU | Syracuse | UT |
| USTAB | Tabb | VA |
| USTBQ | Tabernacle | NJ |
| USTA4 | Tabernash | CO |
| USXNC | Tabor | IA |
| USTB3 | Tabor | SD |
| USQTB | Tabor City | NC |
| USTIW | Tacoma | WA |
| USTCH | Taconite Harbor | MN |
| USTF2 | Taft | CA |
| USTFT | Taft | LA |
| US8AF | Taft | TX |