區號 大不列顛及北愛爾蘭聯合王國 區號大不列顛及北愛爾蘭聯合王國: 市/鎮或地區 區號 1.Dalmally018382.Darlington013253.Dartford013224.Daventry013275.Derby013326.Dereham013627.Devizes013808.Dingwall013499.Diss0137910.Doncaster0130211.Dorchester0130512.Dorking0130613.Dover0130414.Downham Market0136615.Downpatrick (Northern Ireland)0284416.Driffield0137717.Dudley0138418.Dulverton0139819.Dumbarton0138920.Dumfries0138721.Dunbar0136822.Dundee0138223.Dunfermline0138324.Dungannon (Northern Ireland)0288725.Dunkeld0135026.Dunoon0136927.Duns0136128.Dursley01453