Area Code +44-1223-(770000...770999) 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 : 770000 Subscriber Number To : 770999 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-(760000...769999) next › : +44-1223-(771000...771999) Dialling Instructions For trunk calls: 0 1223 770000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1223 770000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 770000 ~ 770999 (Count: 1,000) Example: +44-1223-770000 / 0044-1223-770000 (01223-770000 / 0-1223-770000) +44-1223-770001 / 0044-1223-770001 (01223-770001 / 0-1223-770001) +44-1223-770002 / 0044-1223-770002 (01223-770002 / 0-1223-770002) +44-1223-770003 / 0044-1223-770003 (01223-770003 / 0-1223-770003) +44-1223-770004 / 0044-1223-770004 (01223-770004 / 0-1223-770004) ...+44-1223-xxxxxx / 0044-1223-xxxxxx (01223-xxxxxx / 0-1223-xxxxxx) ...+44-1223-770995 / 0044-1223-770995 (01223-770995 / 0-1223-770995) +44-1223-770996 / 0044-1223-770996 (01223-770996 / 0-1223-770996) +44-1223-770997 / 0044-1223-770997 (01223-770997 / 0-1223-770997) +44-1223-770998 / 0044-1223-770998 (01223-770998 / 0-1223-770998) +44-1223-770999 / 0044-1223-770999 (01223-770999 / 0-1223-770999)