Area Code +44-5601-(650000...659999) located in VoIP, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5601 Subscriber Number From : 650000 Subscriber Number To : 659999 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 : +44-5601-(640000...649999) next › : +44-5601-(660000...669999) Dialling Instructions For trunk calls: 0 5601 650000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5601 650000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 650000 ~ 659999 (Count: 10,000) Example: +44-5601-650000 / 0044-5601-650000 (05601-650000 / 0-5601-650000) +44-5601-650001 / 0044-5601-650001 (05601-650001 / 0-5601-650001) +44-5601-650002 / 0044-5601-650002 (05601-650002 / 0-5601-650002) +44-5601-650003 / 0044-5601-650003 (05601-650003 / 0-5601-650003) +44-5601-650004 / 0044-5601-650004 (05601-650004 / 0-5601-650004) ...+44-5601-xxxxxx / 0044-5601-xxxxxx (05601-xxxxxx / 0-5601-xxxxxx) ...+44-5601-659995 / 0044-5601-659995 (05601-659995 / 0-5601-659995) +44-5601-659996 / 0044-5601-659996 (05601-659996 / 0-5601-659996) +44-5601-659997 / 0044-5601-659997 (05601-659997 / 0-5601-659997) +44-5601-659998 / 0044-5601-659998 (05601-659998 / 0-5601-659998) +44-5601-659999 / 0044-5601-659999 (05601-659999 / 0-5601-659999)