| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Effa historical | city | Arkansas | United States | 35.26806 | -93.95556 | 498 | 1276 |
| Effie | city | Minnesota | United States | 47.84028 | -93.64278 | 1391 | 132 |
| Effie | city | Louisiana | United States | 31.21583 | -92.15556 | 62 | 1527 |
| Effie | city | Mississippi | United States | 33.93472 | -90.17722 | 144 | 839 |
| Effie | city | West Virginia | United States | 38.09444 | -82.50833 | 728 | 2741 |
| Effie historical | city | Missouri | United States | 38.62611 | -91.95278 | 534 | 1832 |
| Effinger | city | Virginia | United States | 37.76278 | -79.55056 | 1312 | 1315 |
| Effingham | city | Kansas | United States | 39.52222 | -95.40056 | 1128 | 537 |
| Effingham | city | Missouri | United States | 40.20472 | -94.26361 | 971 | 530 |
| Effingham | city | Illinois | United States | 39.12 | -88.54333 | 554 | 12390 |
| Effingham | city | South Carolina | United States | 34.05778 | -79.75333 | 98 | 5547 |
| Effingham | city | New Hampshire | United States | 43.76111 | -70.99694 | 495 | 1301 |
| Effingham Falls | city | New Hampshire | United States | 43.79583 | -71.05528 | 495 | 1156 |
| Effler | city | West Virginia | United States | 37.34528 | -81.44639 | 2020 | 2960 |
| Effna | city | Virginia | United States | 37.05861 | -81.24389 | 2880 | 1276 |
| Effner | city | Illinois | United States | 40.77056 | -87.52611 | 685 | 1682 |
| Effner | city | Indiana | United States | 40.77056 | -87.52528 | 685 | 1682 |
| Effort | city | Pennsylvania | United States | 40.93917 | -75.43528 | 800 | 9442 |
| Efland | city | North Carolina | United States | 36.08111 | -79.16944 | 702 | 8253 |
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