| Code | Name | Region |
|---|---|---|
| GBFRL | Fritchley | DBY |
| GBFRZ | Frizington | CMA |
| GBFDS | Frodsham | CHW |
| GBFGH | Froghall | STS |
| GBFME | Frome | SOM |
| GBFR5 | Froxfield | WIL |
| GBFBN | Fulbourn | CAM |
| GBFLF | Fulford | NYK |
| GBFLM | Fulham | WND |
| GBFST | Full Sutton | ERY |
| GBFMF | Fulmar Field | |
| GBFUL | Fulmer | BKM |
| GBFUW | Fulwood | SHF |
| GBFUR | Furnace | AGB |
| GBFZE | Furzebrook | DOR |
| GBGQY | Gaerwen | AGY |
| GBFDY | Fradley | STS |
| GBFR2 | Framfield | ESX |
| GBFRA | Framlingham | SFK |
| GBFCT | Frampton Cotterell | SGC |
| GBFRV | Frampton On Severn | GLS |
| GBFR3 | Framwellgate | DUR |
| GBFNK | Frankley | WOR |
| GBFRT | Frant | ESX |
| GBFRB | Fraserburgh | ABD |
| GBFRO | Fratton | POR |
| GBFDL | Freeland | OXF |
| GBFRN | Frenchay | SGC |
| GBFR4 | Frensham | HAM |
| GBFRW | Freshwater | PEM |
| GBFWE | Freshwater East | PEM |
| GBXFR | Fressingfield | SFK |
| GBFTM | Frettenham | NFK |
| GBNFR | Friden | |
| GBFMY | Frimley | SRY |
| GBFTS | Frinton On Sea | ESS |
| GBFRS | Forres | MRY |
| GBFON | Forsinard | HLD |
| GBFAU | Fort Augustus | HLD |
| GBFWM | Fort William | HLD |
| GBFOR | Forth | SLK |
| GBFTR | Fortrose | HLD |
| GBFDK | Fosdyke | LIN |
| GBFSE | Fossebridge | GLS |
| GBDFN | Foston | DBY |
| GBFOS | Foston | DER |
| GBLIF | Foston | LIN |
| GBDBH | Fotherby | LIN |
| GBFOA | Foula | |
| GBFUN | Foulness Island | ESS |