Area Code +44-1437-(203000...203999) located in Clynderwen, Pembrokeshire (PEM), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1437 Subscriber Number From : 203000 Subscriber Number To : 203999 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 : Atomstream 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 : PEM Region Name : Pembrokeshire City : Clynderwen Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.8400 Longitude : -4.7300 ‹ previous : +44-1437-(202000...202999) next › : +44-1437-(204000...204999) Dialling Instructions For trunk calls: 0 1437 203000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1437 203000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 203000 ~ 203999 (Count: 1,000) Example: +44-1437-203000 / 0044-1437-203000 (01437-203000 / 0-1437-203000) +44-1437-203001 / 0044-1437-203001 (01437-203001 / 0-1437-203001) +44-1437-203002 / 0044-1437-203002 (01437-203002 / 0-1437-203002) +44-1437-203003 / 0044-1437-203003 (01437-203003 / 0-1437-203003) +44-1437-203004 / 0044-1437-203004 (01437-203004 / 0-1437-203004) ...+44-1437-xxxxxx / 0044-1437-xxxxxx (01437-xxxxxx / 0-1437-xxxxxx) ...+44-1437-203995 / 0044-1437-203995 (01437-203995 / 0-1437-203995) +44-1437-203996 / 0044-1437-203996 (01437-203996 / 0-1437-203996) +44-1437-203997 / 0044-1437-203997 (01437-203997 / 0-1437-203997) +44-1437-203998 / 0044-1437-203998 (01437-203998 / 0-1437-203998) +44-1437-203999 / 0044-1437-203999 (01437-203999 / 0-1437-203999)