| Code | Name | Region |
|---|---|---|
| USE2T | Etna | CA |
| US9ET | Etna | ME |
| USXTA | Etna | OH |
| USET3 | Etna | PA |
| USET2 | Etna | WY |
| USETG | Eton | GA |
| USTWP | Etowah | NC |
| USETO | Etowah | TN |
| USE3T | Etta | MS |
| USETT | Etter | TX |
| USW5I | Ettrick | WI |
| USESO | Espanola | NM |
| USEZO | Esparto | CA |
| USEPZ | Esperance | NY |
| USGZA | Esperanza | CA |
| USEVB | Essex | CA |
| USEEX | Essex | CT |
| US8F6 | Essex | IA |
| USES6 | Essex | MA |
| USESE | Essex | MD |
| US3EX | Essex | NY |
| US8SS | Essex | VT |
| USEXF | Essex Fells | NJ |
| USESS | Essex Junction | VT |
| USEXY | Essexville | MI |
| USETX | Essington | PA |
| USEXQ | Estacada | OR |
| USTA7 | Estancia | NM |
| USET9 | Estelline | SD |
| USESG | Estero | FL |
| USESB | Estero Bay | CA |
| USQRL | Erial | NJ |
| USXEH | Erie | CO |
| USERZ | Erie | IL |
| USEE2 | Erie | MI |
| USERI | Erie | PA |
| USERJ | Erin | TN |
| USERL | Erlanger | KY |
| USERR | Errol | NH |
| USER4 | Erving | MA |
| USEWJ | Erwin | NC |
| USERW | Erwin | TN |
| USQEW | Erwins | NY |
| USEXC | Escalon | CA |
| USESC | Escanaba | MI |
| USECD | Escondido | CA |
| USEKL | Eskdale | WV |
| USEKQ | Esko | MN |
| USESM | Esmond | RI |
| USE8T | Esmont | VA |