Area Code +44-8999-(900000...999999) located in Inbound Routing Codes, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 8999 Subscriber Number From : 900000 Subscriber Number To : 999999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Communications Networking Services (UK) 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 : Inbound Routing Codes 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 : +44-8999-(800000...899999) next › : +44-9000-(000000...009999) Dialling Instructions For trunk calls: 0 8999 900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 8999 900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 900000 ~ 999999 (Count: 100,000) Example: +44-8999-900000 / 0044-8999-900000 (08999-900000 / 0-8999-900000) +44-8999-900001 / 0044-8999-900001 (08999-900001 / 0-8999-900001) +44-8999-900002 / 0044-8999-900002 (08999-900002 / 0-8999-900002) +44-8999-900003 / 0044-8999-900003 (08999-900003 / 0-8999-900003) +44-8999-900004 / 0044-8999-900004 (08999-900004 / 0-8999-900004) ...+44-8999-xxxxxx / 0044-8999-xxxxxx (08999-xxxxxx / 0-8999-xxxxxx) ...+44-8999-999995 / 0044-8999-999995 (08999-999995 / 0-8999-999995) +44-8999-999996 / 0044-8999-999996 (08999-999996 / 0-8999-999996) +44-8999-999997 / 0044-8999-999997 (08999-999997 / 0-8999-999997) +44-8999-999998 / 0044-8999-999998 (08999-999998 / 0-8999-999998) +44-8999-999999 / 0044-8999-999999 (08999-999999 / 0-8999-999999)