Area Code +44-5600-(150000...159999) 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 : 150000 Subscriber Number To : 159999 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 : BT 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-(140000...149999) next › : +44-5600-(160000...169999) Dialling Instructions For trunk calls: 0 5600 150000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5600 150000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 150000 ~ 159999 (Count: 10,000) Example: +44-5600-150000 / 0044-5600-150000 (05600-150000 / 0-5600-150000) +44-5600-150001 / 0044-5600-150001 (05600-150001 / 0-5600-150001) +44-5600-150002 / 0044-5600-150002 (05600-150002 / 0-5600-150002) +44-5600-150003 / 0044-5600-150003 (05600-150003 / 0-5600-150003) +44-5600-150004 / 0044-5600-150004 (05600-150004 / 0-5600-150004) ...+44-5600-xxxxxx / 0044-5600-xxxxxx (05600-xxxxxx / 0-5600-xxxxxx) ...+44-5600-159995 / 0044-5600-159995 (05600-159995 / 0-5600-159995) +44-5600-159996 / 0044-5600-159996 (05600-159996 / 0-5600-159996) +44-5600-159997 / 0044-5600-159997 (05600-159997 / 0-5600-159997) +44-5600-159998 / 0044-5600-159998 (05600-159998 / 0-5600-159998) +44-5600-159999 / 0044-5600-159999 (05600-159999 / 0-5600-159999)