Area Code +44-8999-(030000...039999) 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 : 030000 Subscriber Number To : 039999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : The Number UK 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 : 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-(020000...029999) next › : +44-8999-(040000...049999) Dialling Instructions For trunk calls: 0 8999 030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 8999 030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 030000 ~ 039999 (Count: 10,000) Example: +44-8999-030000 / 0044-8999-030000 (08999-030000 / 0-8999-030000) +44-8999-030001 / 0044-8999-030001 (08999-030001 / 0-8999-030001) +44-8999-030002 / 0044-8999-030002 (08999-030002 / 0-8999-030002) +44-8999-030003 / 0044-8999-030003 (08999-030003 / 0-8999-030003) +44-8999-030004 / 0044-8999-030004 (08999-030004 / 0-8999-030004) ...+44-8999-xxxxxx / 0044-8999-xxxxxx (08999-xxxxxx / 0-8999-xxxxxx) ...+44-8999-039995 / 0044-8999-039995 (08999-039995 / 0-8999-039995) +44-8999-039996 / 0044-8999-039996 (08999-039996 / 0-8999-039996) +44-8999-039997 / 0044-8999-039997 (08999-039997 / 0-8999-039997) +44-8999-039998 / 0044-8999-039998 (08999-039998 / 0-8999-039998) +44-8999-039999 / 0044-8999-039999 (08999-039999 / 0-8999-039999)