Area Code +353-1-(5420000...5429999) located in Dublin Central, Dublin (D), more detail is as below. Place International Dialing Code : 353 International Prefix : 00 National Prefix : 0 National Destination Code : 1 Subscriber Number From : 5420000 Subscriber Number To : 5429999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BT Ireland Click here to buy Ireland Area Code Database Other Information Language Code : en (English) Country Number : 372 (Ireland) Country Code : IE (Ireland) Region Code : D Region Name : Dublin City : Dublin Central Timezone : Europe/Dublin Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 53.3500 Longitude : -6.2600 ‹ previous : +353-1-(5419000...5419999) next › : +353-1-(5430000...5439999) Dialling Instructions For trunk calls: 0 1 5420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 353 1 5420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5420000 ~ 5429999 (Count: 10,000) Example: +353-1-5420000 / 00353-1-5420000 (01-5420000 / 0-1-5420000) +353-1-5420001 / 00353-1-5420001 (01-5420001 / 0-1-5420001) +353-1-5420002 / 00353-1-5420002 (01-5420002 / 0-1-5420002) +353-1-5420003 / 00353-1-5420003 (01-5420003 / 0-1-5420003) +353-1-5420004 / 00353-1-5420004 (01-5420004 / 0-1-5420004) ...+353-1-xxxxxxx / 00353-1-xxxxxxx (01-xxxxxxx / 0-1-xxxxxxx) ...+353-1-5429995 / 00353-1-5429995 (01-5429995 / 0-1-5429995) +353-1-5429996 / 00353-1-5429996 (01-5429996 / 0-1-5429996) +353-1-5429997 / 00353-1-5429997 (01-5429997 / 0-1-5429997) +353-1-5429998 / 00353-1-5429998 (01-5429998 / 0-1-5429998) +353-1-5429999 / 00353-1-5429999 (01-5429999 / 0-1-5429999)