Area Code +44-1255-(377000...377999) located in Clacton-on-Sea, Essex (ESS), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1255 Subscriber Number From : 377000 Subscriber Number To : 377999 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 : Premium O 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 : ESS Region Name : Essex City : Clacton-on-Sea Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.7900 Longitude : 1.1600 ‹ previous : +44-1255-(360000...360999) next › : +44-1255-(380000...389999) Dialling Instructions For trunk calls: 0 1255 377000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1255 377000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 377000 ~ 377999 (Count: 1,000) Example: +44-1255-377000 / 0044-1255-377000 (01255-377000 / 0-1255-377000) +44-1255-377001 / 0044-1255-377001 (01255-377001 / 0-1255-377001) +44-1255-377002 / 0044-1255-377002 (01255-377002 / 0-1255-377002) +44-1255-377003 / 0044-1255-377003 (01255-377003 / 0-1255-377003) +44-1255-377004 / 0044-1255-377004 (01255-377004 / 0-1255-377004) ...+44-1255-xxxxxx / 0044-1255-xxxxxx (01255-xxxxxx / 0-1255-xxxxxx) ...+44-1255-377995 / 0044-1255-377995 (01255-377995 / 0-1255-377995) +44-1255-377996 / 0044-1255-377996 (01255-377996 / 0-1255-377996) +44-1255-377997 / 0044-1255-377997 (01255-377997 / 0-1255-377997) +44-1255-377998 / 0044-1255-377998 (01255-377998 / 0-1255-377998) +44-1255-377999 / 0044-1255-377999 (01255-377999 / 0-1255-377999)