| Code | Name | Region |
|---|---|---|
| USENV | Wendover | UT |
| USWDW | Wendover | WY |
| USMM9 | Wenham | MA |
| USWZZ | Wenonah | NJ |
| USWNH | Wentworth | NH |
| USWW2 | Wentworth | SD |
| USWTZ | Wentzville | MO |
| USWBI | Weott | CA |
| USWVO | Wernersville | PA |
| USWKX | Weskan | KS |
| USWKO | Weslaco | TX |
| USWC3 | Wesley Chapel | FL |
| USW2S | Wesson | MS |
| USWEX | Wellington | KS |
| USWGN | Wellington | OH |
| US7HZ | Wellington | TX |
| USWYY | Wellington | UT |
| US7WM | Wellman | IA |
| USWNX | Wellman | TX |
| USWZM | Wells | ME |
| USIWU | Wells | MI |
| USWS7 | Wells | MN |
| USLWL | Wells | NV |
| USWR6 | Wells River | VT |
| USWBP | Wellsboro | PA |
| USWB5 | Wellsburg | IA |
| USWES | Wellsburg | WV |
| USOHW | Wellston | OH |
| USWSV | Wellsville | KS |
| USWVM | Wellsville | MO |
| USELZ | Wellsville | NY |
| USW22 | Wellsville | OH |
| USKJZ | Wellsville | PA |
| USIPB | Weissport | PA |
| USW8H | Welch | MN |
| USOWC | Welch | OK |
| USEOM | Welcome | LA |
| USWCO | Welcome | NC |
| USW8E | Weld | ME |
| USWL4 | Weldon | CA |
| USI6O | Weldon | IA |
| USKDO | Weldon | IL |
| USWEO | Weldon | NC |
| US4WS | Weldon Spring | MO |
| USW3N | Weldona | CO |
| USZF4 | Wellborn | FL |
| USWEL | Wellesley | MA |
| US3OL | Wellfleet | MA |
| USWEF | Wellford | SC |
| USZJJ | Wellington | AL |