Area Code +353-1-(4020000...4029999) 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 : 4020000 Subscriber Number To : 4029999 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 : Eircom 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-(4010000...4019999) next › : +353-1-(4030000...4039999) Dialling Instructions For trunk calls: 0 1 4020000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 353 1 4020000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4020000 ~ 4029999 (Count: 10,000) Example: +353-1-4020000 / 00353-1-4020000 (01-4020000 / 0-1-4020000) +353-1-4020001 / 00353-1-4020001 (01-4020001 / 0-1-4020001) +353-1-4020002 / 00353-1-4020002 (01-4020002 / 0-1-4020002) +353-1-4020003 / 00353-1-4020003 (01-4020003 / 0-1-4020003) +353-1-4020004 / 00353-1-4020004 (01-4020004 / 0-1-4020004) ...+353-1-xxxxxxx / 00353-1-xxxxxxx (01-xxxxxxx / 0-1-xxxxxxx) ...+353-1-4029995 / 00353-1-4029995 (01-4029995 / 0-1-4029995) +353-1-4029996 / 00353-1-4029996 (01-4029996 / 0-1-4029996) +353-1-4029997 / 00353-1-4029997 (01-4029997 / 0-1-4029997) +353-1-4029998 / 00353-1-4029998 (01-4029998 / 0-1-4029998) +353-1-4029999 / 00353-1-4029999 (01-4029999 / 0-1-4029999)