Area Code +44-5603-(740000...749999) 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 : 740000 Subscriber Number To : 749999 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 : XoverX 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 : None Longitude : None ‹ previous : +44-5603-(730000...739999) next › : +44-5603-(770000...779999) Dialling Instructions For trunk calls: 0 5603 740000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5603 740000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 740000 ~ 749999 (Count: 10,000) Example: +44-5603-740000 / 0044-5603-740000 (05603-740000 / 0-5603-740000) +44-5603-740001 / 0044-5603-740001 (05603-740001 / 0-5603-740001) +44-5603-740002 / 0044-5603-740002 (05603-740002 / 0-5603-740002) +44-5603-740003 / 0044-5603-740003 (05603-740003 / 0-5603-740003) +44-5603-740004 / 0044-5603-740004 (05603-740004 / 0-5603-740004) ...+44-5603-xxxxxx / 0044-5603-xxxxxx (05603-xxxxxx / 0-5603-xxxxxx) ...+44-5603-749995 / 0044-5603-749995 (05603-749995 / 0-5603-749995) +44-5603-749996 / 0044-5603-749996 (05603-749996 / 0-5603-749996) +44-5603-749997 / 0044-5603-749997 (05603-749997 / 0-5603-749997) +44-5603-749998 / 0044-5603-749998 (05603-749998 / 0-5603-749998) +44-5603-749999 / 0044-5603-749999 (05603-749999 / 0-5603-749999)