Area Code +44-131-(3100000...3109999) located in Edinburgh, City of Edinburgh (EDH), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 131 Subscriber Number From : 3100000 Subscriber Number To : 3109999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BT 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 : EDH Region Name : City of Edinburgh City : Edinburgh Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 55.9500 Longitude : -3.1900 ‹ previous : +44-131-(3090000...3099999) next › : +44-131-(3110000...3119999) Dialling Instructions For trunk calls: 0 131 3100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 131 3100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3100000 ~ 3109999 (Count: 10,000) Example: +44-131-3100000 / 0044-131-3100000 (0131-3100000 / 0-131-3100000) +44-131-3100001 / 0044-131-3100001 (0131-3100001 / 0-131-3100001) +44-131-3100002 / 0044-131-3100002 (0131-3100002 / 0-131-3100002) +44-131-3100003 / 0044-131-3100003 (0131-3100003 / 0-131-3100003) +44-131-3100004 / 0044-131-3100004 (0131-3100004 / 0-131-3100004) ...+44-131-xxxxxxx / 0044-131-xxxxxxx (0131-xxxxxxx / 0-131-xxxxxxx) ...+44-131-3109995 / 0044-131-3109995 (0131-3109995 / 0-131-3109995) +44-131-3109996 / 0044-131-3109996 (0131-3109996 / 0-131-3109996) +44-131-3109997 / 0044-131-3109997 (0131-3109997 / 0-131-3109997) +44-131-3109998 / 0044-131-3109998 (0131-3109998 / 0-131-3109998) +44-131-3109999 / 0044-131-3109999 (0131-3109999 / 0-131-3109999)