Area Code +44-5603-(560000...569999) 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 : 560000 Subscriber Number To : 569999 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 : Digital Mail Limited 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-(550000...559999) next › : +44-5603-(570000...579999) Dialling Instructions For trunk calls: 0 5603 560000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5603 560000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 560000 ~ 569999 (Count: 10,000) Example: +44-5603-560000 / 0044-5603-560000 (05603-560000 / 0-5603-560000) +44-5603-560001 / 0044-5603-560001 (05603-560001 / 0-5603-560001) +44-5603-560002 / 0044-5603-560002 (05603-560002 / 0-5603-560002) +44-5603-560003 / 0044-5603-560003 (05603-560003 / 0-5603-560003) +44-5603-560004 / 0044-5603-560004 (05603-560004 / 0-5603-560004) ...+44-5603-xxxxxx / 0044-5603-xxxxxx (05603-xxxxxx / 0-5603-xxxxxx) ...+44-5603-569995 / 0044-5603-569995 (05603-569995 / 0-5603-569995) +44-5603-569996 / 0044-5603-569996 (05603-569996 / 0-5603-569996) +44-5603-569997 / 0044-5603-569997 (05603-569997 / 0-5603-569997) +44-5603-569998 / 0044-5603-569998 (05603-569998 / 0-5603-569998) +44-5603-569999 / 0044-5603-569999 (05603-569999 / 0-5603-569999)