| Code | Name | Region |
|---|---|---|
| USYWI | Wilcox | PA |
| USWIJ | Wilder | ID |
| USWII | Wilder | KY |
| USVTD | Wilder | VT |
| US5WH | Whiting | VT |
| USWTI | Whiting | WI |
| US7WG | Whitingham | VT |
| USWXM | Whitinsville | MA |
| USWHL | Whitlash | MT |
| USW2K | Whitley City | KY |
| USWJI | Whitlock | TN |
| USWQA | Whitman | MA |
| USIAQ | Whitman | WV |
| USIWM | Whitmire | SC |
| USWMP | Whitmore Lake | MI |
| USWHK | Whitner | KY |
| USWT5 | Whitney | TX |
| USITE | Whitsett | NC |
| USWT6 | Whitsett | TX |
| USW4M | Whittemore | IA |
| USITM | Whittemore | MI |
| USWQF | Whittier | AK |
| USWHR | Whittier | CA |
| USVHT | Whittier | NC |
| USWC5 | Whites Creek | TN |
| USWH2 | Whitesboro | NY |
| USWH8 | Whitesboro | TX |
| USBRG | Whitesburg | KY |
| USXWH | Whitesburg | TN |
| USZWS | Whitestone | GA |
| USWHO | Whitestone/queens/new York | NY |
| USXWT | Whitestown | IN |
| USWVG | Whitesville | SC |
| USWHV | Whitesville | WV |
| USWHS | Whitetail | MT |
| USWVN | Whiteville | NC |
| USWV9 | Whiteville | TN |
| USDXA | Whitewater | CA |
| USW7T | Whitewater | CO |
| USWW5 | Whitewater | MO |
| USWWQ | Whitewater | WI |
| USW9H | Whitewright | TX |
| USWHG | Whiting | IN |
| USW2T | Whiting | ME |
| USSSU | White Sulphur Springs | WV |
| USWZW | White Swan | WA |
| US9WF | Whitefield | ME |
| USHIE | Whitefield | NH |
| USWXI | Whitefish | MT |
| USIFD | Whiteford | MD |