Area Code +44-5603-(930000...939999) located in VoIP, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5603 Subscriber Number From : 930000 Subscriber Number To : 939999 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 : Spacetel UK Ltd 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 : +44-5603-(900000...909999) next › : +44-5603-(990000...999999) Dialling Instructions For trunk calls: 0 5603 930000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5603 930000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 930000 ~ 939999 (Count: 10,000) Example: +44-5603-930000 / 0044-5603-930000 (05603-930000 / 0-5603-930000) +44-5603-930001 / 0044-5603-930001 (05603-930001 / 0-5603-930001) +44-5603-930002 / 0044-5603-930002 (05603-930002 / 0-5603-930002) +44-5603-930003 / 0044-5603-930003 (05603-930003 / 0-5603-930003) +44-5603-930004 / 0044-5603-930004 (05603-930004 / 0-5603-930004) ...+44-5603-xxxxxx / 0044-5603-xxxxxx (05603-xxxxxx / 0-5603-xxxxxx) ...+44-5603-939995 / 0044-5603-939995 (05603-939995 / 0-5603-939995) +44-5603-939996 / 0044-5603-939996 (05603-939996 / 0-5603-939996) +44-5603-939997 / 0044-5603-939997 (05603-939997 / 0-5603-939997) +44-5603-939998 / 0044-5603-939998 (05603-939998 / 0-5603-939998) +44-5603-939999 / 0044-5603-939999 (05603-939999 / 0-5603-939999)