| Code | Name | Region |
|---|---|---|
| USEFB | Eight Fathom Bight | AK |
| USEIG | Eight Mile | AL |
| USEIH | Eighty Four | PA |
| USITZ | Eitzen | MN |
| USEUL | Eklutna | AK |
| USKKU | Ekuk | AK |
| USKEK | Ekwok | AK |
| USCJN | El Cajon | CA |
| USECP | El Campo | TX |
| USECO | El Centro | CA |
| USECQ | El Cerrito | CA |
| USELD | El Dorado | AR |
| USEDJ | El Dorado | CA |
| USEDK | El Dorado | KS |
| USEHI | El Dorado Hills | CA |
| USEOO | El Dorado Springs | MO |
| USEMZ | El Mirage | AZ |
| USEMD | El Modena/orange | CA |
| USEMT | El Monte | CA |
| USJDO | El Nido | CA |
| USDWU | Edwardsburg | MI |
| USDWP | Edwardsport | IN |
| USEQV | Edwardsville | AL |
| USEWV | Edwardsville | IL |
| USEDW | Edwardsville | KS |
| USDWS | Edwardsville | PA |
| USEEK | Eek | AK |
| USEFZ | Effie | LA |
| USEFI | Effingham | IL |
| USIGJ | Effingham | NH |
| USEGH | Effingham | SC |
| USEFT | Effort | PA |
| USEJA | Egan | SD |
| USEGX | Egegik | AK |
| USGGB | Egg Harbor | WI |
| USEGG | Egg Harbor City | NJ |
| USGWP | Egg Harbor Township | NJ |
| USEF2 | Eglin Air Force Base | FL |
| USEJN | Egnar | CO |
| USEH7 | Ehrenberg | AZ |
| USENB | Edinburgh | IN |
| USEDS | Edison | CA |
| USED4 | Edison | GA |
| USEDN | Edison | NJ |
| USDTS | Edisto Island | SC |
| USEOD | Edmond | OK |
| USEOW | Edmonds | WA |
| USEOT | Edmonston | MD |
| USEDC | Edmonton | KY |
| USEM3 | Edmore | MI |