Area Code +44-2871-(170000...179999) located in Londonderry, Derry (DRY), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 2871 Subscriber Number From : 170000 Subscriber Number To : 179999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Eircom UK Ltd Click here to buy United Kingdom Area Code Database Other Information Language Code : en (English) Country Number : 826 (United Kingdom) Country Code : GB (United Kingdom) Region Code : DRY Region Name : Derry City : Londonderry Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 54.9900 Longitude : -7.3200 ‹ previous : +44-2871-(140000...149999) next › : +44-2871-(180000...189999) Dialling Instructions For trunk calls: 0 2871 170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 2871 170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 170000 ~ 179999 (Count: 10,000) Example: +44-2871-170000 / 0044-2871-170000 (02871-170000 / 0-2871-170000) +44-2871-170001 / 0044-2871-170001 (02871-170001 / 0-2871-170001) +44-2871-170002 / 0044-2871-170002 (02871-170002 / 0-2871-170002) +44-2871-170003 / 0044-2871-170003 (02871-170003 / 0-2871-170003) +44-2871-170004 / 0044-2871-170004 (02871-170004 / 0-2871-170004) ...+44-2871-xxxxxx / 0044-2871-xxxxxx (02871-xxxxxx / 0-2871-xxxxxx) ...+44-2871-179995 / 0044-2871-179995 (02871-179995 / 0-2871-179995) +44-2871-179996 / 0044-2871-179996 (02871-179996 / 0-2871-179996) +44-2871-179997 / 0044-2871-179997 (02871-179997 / 0-2871-179997) +44-2871-179998 / 0044-2871-179998 (02871-179998 / 0-2871-179998) +44-2871-179999 / 0044-2871-179999 (02871-179999 / 0-2871-179999)