| Code | Name | Region |
|---|---|---|
| USTLR | Tulare | CA |
| USTLL | Tulelake | CA |
| USTIA | Tulia | TX |
| USTHA | Tullahoma | TN |
| USTLY | Tully | NY |
| USTTW | Tullytown | PA |
| USTUL | Tulsa | OK |
| USRVS | Tulsa | OR |
| USTLT | Tuluksak | AK |
| USTUW | Tumwater | WA |
| US7TU | Tunbridge | VT |
| USTCY | Troy | VT |
| USTYG | Troy Grove | IL |
| USTMS | Troy Mills | IA |
| USTKF | Truckee | CA |
| USM6I | Truesdale | MO |
| USTUA | Truman | MN |
| USTMN | Trumann | AR |
| UST9R | Trumansburg | NY |
| USTBV | Trumbauersville | PA |
| USTBL | Trumbull | CT |
| USUUL | Trumbull | NE |
| USTXO | Truro | MA |
| USTRU | Trussville | AL |
| USTCS | Truth Or Consequences | NM |
| USZNT | Tryon | NC |
| USTWL | Tualatin | OR |
| USTBC | Tuba City | AZ |
| USTBZ | Tubac | AZ |
| USXTY | Tuckahoe | NY |
| USZSQ | Tucker | AR |
| USTRZ | Troutman | NC |
| USUZG | Troutville | VA |
| USTOI | Troy | AL |
| USTOJ | Troy | ID |
| USTGY | Troy | IL |
| USOYY | Troy | IN |
| UST77 | Troy | KS |
| USTOY | Troy | ME |
| USTYM | Troy | MI |
| USTYU | Troy | MO |
| USTYI | Troy | MS |
| USTM8 | Troy | MT |
| USTYX | Troy | NC |
| UST6Y | Troy | NH |
| USTRY | Troy | NY |
| USTYH | Troy | OH |
| USYTY | Troy | PA |
| USTTY | Troy | TN |
| USTQZ | Troy | TX |