| Code | Name | Region |
|---|---|---|
| USFA3 | Farmington | KY |
| USFQZ | Falmouth | KY |
| USFMH | Falmouth | MA |
| USFUA | Falmouth | ME |
| USF2M | Falmouth | VA |
| USFAK | False Island | AK |
| USKFP | False Pass | AK |
| USFCR | Fancher | NY |
| USFS6 | Fanshawe | OK |
| USFWJ | Fanwood | NJ |
| USFHS | Far Hills | NJ |
| USFR2 | Far Rockaway, Queens | NY |
| US9FR | Farber | MO |
| USFWL | Farewell | AK |
| USJGO | Fargo | GA |
| USZFG | Fargo | IL |
| USFAR | Fargo | ND |
| US6FG | Fargo | OK |
| USFBL | Faribault | MN |
| US5FI | Farina | IL |
| USFY4 | Farley | IA |
| USFPM | Fall River Mills | CA |
| USEWB | Fall River-new Bedford Apt | MA |
| USFOR | Fallbrook | CA |
| USFNW | Falling Waters | WV |
| USFXN | Fallon | CA |
| USNFL | Fallon | NV |
| USF5S | Falls | PA |
| USFA9 | Falls | WY |
| USFLJ | Falls Bay | AK |
| USFAC | Falls Church | VA |
| USFSY | Falls City | NE |
| USFJI | Falls City | TX |
| USFXK | Falls Creek | PA |
| USXFM | Falls Mills | VA |
| USKYF | Falls Of Rough | KY |
| USFVG | Falls Village | CT |
| USFAS | Fallsington | PA |
| USFL2 | Fallston | MD |
| USFS2 | Fallston | NC |
| USF3M | Falmouth | IN |
| US2DS | Fairview | SD |
| USFEW | Fairview | TN |
| USTX3 | Fairview | TX |
| USVWF | Fairview | WV |
| USFIH | Fairview Heights | IL |
| USFVP | Fairview Park | OH |
| USFW3 | Fairwater | WI |
| USFZO | Faison | NC |
| USNZA | Faith | NC |