Area Code +44-1237-(660000...669999) located in Bideford, Devon (DEV), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1237 Subscriber Number From : 660000 Subscriber Number To : 669999 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 : TTNC Limited 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 : DEV Region Name : Devon City : Bideford Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.0200 Longitude : -4.2100 ‹ previous : +44-1237-(650000...659999) next › : +44-1237-(670000...679999) Dialling Instructions For trunk calls: 0 1237 660000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1237 660000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 660000 ~ 669999 (Count: 10,000) Example: +44-1237-660000 / 0044-1237-660000 (01237-660000 / 0-1237-660000) +44-1237-660001 / 0044-1237-660001 (01237-660001 / 0-1237-660001) +44-1237-660002 / 0044-1237-660002 (01237-660002 / 0-1237-660002) +44-1237-660003 / 0044-1237-660003 (01237-660003 / 0-1237-660003) +44-1237-660004 / 0044-1237-660004 (01237-660004 / 0-1237-660004) ...+44-1237-xxxxxx / 0044-1237-xxxxxx (01237-xxxxxx / 0-1237-xxxxxx) ...+44-1237-669995 / 0044-1237-669995 (01237-669995 / 0-1237-669995) +44-1237-669996 / 0044-1237-669996 (01237-669996 / 0-1237-669996) +44-1237-669997 / 0044-1237-669997 (01237-669997 / 0-1237-669997) +44-1237-669998 / 0044-1237-669998 (01237-669998 / 0-1237-669998) +44-1237-669999 / 0044-1237-669999 (01237-669999 / 0-1237-669999)