Area Code +353-74-(9900000...9900999) located in Letterkenny, Donegal (DL), more detail is as below. Place International Dialing Code : 353 International Prefix : 00 National Prefix : 0 National Destination Code : 74 Subscriber Number From : 9900000 Subscriber Number To : 9900999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 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 : DL Region Name : Donegal City : Letterkenny Timezone : Europe/Dublin Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 54.9500 Longitude : -7.7400 ‹ previous : +353-74-(9899000...9899999) next › : +353-76-(1000000...1009999) Dialling Instructions For trunk calls: 0 74 9900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 353 74 9900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9900000 ~ 9900999 (Count: 1,000) Example: +353-74-9900000 / 00353-74-9900000 (074-9900000 / 0-74-9900000) +353-74-9900001 / 00353-74-9900001 (074-9900001 / 0-74-9900001) +353-74-9900002 / 00353-74-9900002 (074-9900002 / 0-74-9900002) +353-74-9900003 / 00353-74-9900003 (074-9900003 / 0-74-9900003) +353-74-9900004 / 00353-74-9900004 (074-9900004 / 0-74-9900004) ...+353-74-xxxxxxx / 00353-74-xxxxxxx (074-xxxxxxx / 0-74-xxxxxxx) ...+353-74-9900995 / 00353-74-9900995 (074-9900995 / 0-74-9900995) +353-74-9900996 / 00353-74-9900996 (074-9900996 / 0-74-9900996) +353-74-9900997 / 00353-74-9900997 (074-9900997 / 0-74-9900997) +353-74-9900998 / 00353-74-9900998 (074-9900998 / 0-74-9900998) +353-74-9900999 / 00353-74-9900999 (074-9900999 / 0-74-9900999)