| Code | Name | Region |
|---|---|---|
| USWEG | West Greenwich | RI |
| USWGM | West Groton | MA |
| USL3Y | West Grove | PA |
| USWBO | West Burlington | IA |
| USWCL | West Caldwell | NJ |
| USWCA | West Carrollton | OH |
| USEZF | West Chazy | NY |
| USWZC | West Chester | OH |
| USWCT | West Chester | PA |
| USWCF | West Chesterfield | MA |
| US6WF | West Chesterfield | NH |
| USWCI | West Chicago | IL |
| USWC2 | West Chop | MA |
| USWGD | West College Corner | IN |
| USWCB | West Columbia | SC |
| USWB4 | West Columbia | TX |
| USWE7 | West Columbia | WV |
| US9WR | West Concord | MA |
| USW9C | West Concord | MN |
| USWCK | West Conshohocken | PA |
| USWKZ | West Covina | CA |
| USWCX | West Coxsackie | NY |
| USWCE | West Creek | NJ |
| USW5T | West | TX |
| USW8A | West Alexander | PA |
| USTAX | West Alexandria | OH |
| USWEQ | West Allis | WI |
| USWA8 | West Alton | MO |
| USEBB | West Babylon | NY |
| US8BA | West Baldwin | ME |
| USWVZ | West Bath | ME |
| USETE | West Bend | IA |
| USETB | West Bend | WI |
| USWBS | West Berlin | NJ |
| USWCN | West Blocton | AL |
| USWBF | West Bloomfield | MI |
| USW2B | West Bountiful | UT |
| USWBM | West Boylston | MA |
| USIWB | West Branch | IA |
| USWBC | West Branch | MI |
| USWBW | West Bridgewater | MA |
| USWBD | West Brookfield | MA |
| USURK | West Burke | VT |
| USWZD | Wellton | AZ |
| USWL5 | Welsh | LA |
| USEAT | Wenatchee | WA |
| USYWY | Wendel | PA |
| USWDE | Wendell | ID |
| US9DL | Wendell | MA |
| USWDX | Wendell | NC |