The Area Codes of United Kingdom: City/Town or RegionArea code 1.Fakenham01328 (+441328) 2.Falkirk01324 (+441324) 3.Falmouth01326 (+441326) 4.Fareham01329 (+441329) 5.Faringdon01367 (+441367) 6.Felixstowe01394 (+441394) 7.Fionnphort, Isle of Mull01681 (+441681) 8.Fishguard01348 (+441348) 9.Fivemiletown (Northern Ireland)02889 (+442889) 10.Folkestone01303 (+441303) 11.Forfar01307 (+441307) 12.Forres01309 (+441309) 13.Fort Augustus01320 (+441320) 14.Fort William01397 (+441397) 15.Fortrose01381 (+441381) 16.Fraserburgh01346 (+441346) 17.Frome01373 (+441373)