Area Code +44-1407-(430000...439999) located in Holyhead, Isle of Anglesey (AGY), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1407 Subscriber Number From : 430000 Subscriber Number To : 439999 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 : CFL Communications 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 : AGY Region Name : Isle of Anglesey City : Holyhead Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 53.3100 Longitude : -4.6300 ‹ previous : +44-1407-(420000...429999) next › : +44-1407-(440000...449999) Dialling Instructions For trunk calls: 0 1407 430000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1407 430000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 430000 ~ 439999 (Count: 10,000) Example: +44-1407-430000 / 0044-1407-430000 (01407-430000 / 0-1407-430000) +44-1407-430001 / 0044-1407-430001 (01407-430001 / 0-1407-430001) +44-1407-430002 / 0044-1407-430002 (01407-430002 / 0-1407-430002) +44-1407-430003 / 0044-1407-430003 (01407-430003 / 0-1407-430003) +44-1407-430004 / 0044-1407-430004 (01407-430004 / 0-1407-430004) ...+44-1407-xxxxxx / 0044-1407-xxxxxx (01407-xxxxxx / 0-1407-xxxxxx) ...+44-1407-439995 / 0044-1407-439995 (01407-439995 / 0-1407-439995) +44-1407-439996 / 0044-1407-439996 (01407-439996 / 0-1407-439996) +44-1407-439997 / 0044-1407-439997 (01407-439997 / 0-1407-439997) +44-1407-439998 / 0044-1407-439998 (01407-439998 / 0-1407-439998) +44-1407-439999 / 0044-1407-439999 (01407-439999 / 0-1407-439999)