Area Code +44-5600-(310000...319999) located in VoIP, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5600 Subscriber Number From : 310000 Subscriber Number To : 319999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : Blue Sky Ltd UK 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) City : VoIP Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5100 Longitude : -0.1300 ‹ previous : +44-5600-(300000...309999) next › : +44-5600-(320000...329999) Dialling Instructions For trunk calls: 0 5600 310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5600 310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 310000 ~ 319999 (Count: 10,000) Example: +44-5600-310000 / 0044-5600-310000 (05600-310000 / 0-5600-310000) +44-5600-310001 / 0044-5600-310001 (05600-310001 / 0-5600-310001) +44-5600-310002 / 0044-5600-310002 (05600-310002 / 0-5600-310002) +44-5600-310003 / 0044-5600-310003 (05600-310003 / 0-5600-310003) +44-5600-310004 / 0044-5600-310004 (05600-310004 / 0-5600-310004) ...+44-5600-xxxxxx / 0044-5600-xxxxxx (05600-xxxxxx / 0-5600-xxxxxx) ...+44-5600-319995 / 0044-5600-319995 (05600-319995 / 0-5600-319995) +44-5600-319996 / 0044-5600-319996 (05600-319996 / 0-5600-319996) +44-5600-319997 / 0044-5600-319997 (05600-319997 / 0-5600-319997) +44-5600-319998 / 0044-5600-319998 (05600-319998 / 0-5600-319998) +44-5600-319999 / 0044-5600-319999 (05600-319999 / 0-5600-319999)