Area Code +44-1223-(777000...777999) located in Cambridge, Cambridgeshire (CAM), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1223 Subscriber Number From : 777000 Subscriber Number To : 777999 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 : Level 3 Communications UK 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 : CAM Region Name : Cambridgeshire City : Cambridge Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 52.2000 Longitude : 0.1200 ‹ previous : +44-1223-(776000...776999) next › : +44-1223-(778000...778999) Dialling Instructions For trunk calls: 0 1223 777000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1223 777000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 777000 ~ 777999 (Count: 1,000) Example: +44-1223-777000 / 0044-1223-777000 (01223-777000 / 0-1223-777000) +44-1223-777001 / 0044-1223-777001 (01223-777001 / 0-1223-777001) +44-1223-777002 / 0044-1223-777002 (01223-777002 / 0-1223-777002) +44-1223-777003 / 0044-1223-777003 (01223-777003 / 0-1223-777003) +44-1223-777004 / 0044-1223-777004 (01223-777004 / 0-1223-777004) ...+44-1223-xxxxxx / 0044-1223-xxxxxx (01223-xxxxxx / 0-1223-xxxxxx) ...+44-1223-777995 / 0044-1223-777995 (01223-777995 / 0-1223-777995) +44-1223-777996 / 0044-1223-777996 (01223-777996 / 0-1223-777996) +44-1223-777997 / 0044-1223-777997 (01223-777997 / 0-1223-777997) +44-1223-777998 / 0044-1223-777998 (01223-777998 / 0-1223-777998) +44-1223-777999 / 0044-1223-777999 (01223-777999 / 0-1223-777999)