Area Code +44-5511-(010000...019999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5511 Subscriber Number From : 010000 Subscriber Number To : 019999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Frontier Systems 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 : Corporate Numbers 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 : +44-5511-(000000...009999) next › : +44-5511-(070000...079999) Dialling Instructions For trunk calls: 0 5511 010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5511 010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 010000 ~ 019999 (Count: 10,000) Example: +44-5511-010000 / 0044-5511-010000 (05511-010000 / 0-5511-010000) +44-5511-010001 / 0044-5511-010001 (05511-010001 / 0-5511-010001) +44-5511-010002 / 0044-5511-010002 (05511-010002 / 0-5511-010002) +44-5511-010003 / 0044-5511-010003 (05511-010003 / 0-5511-010003) +44-5511-010004 / 0044-5511-010004 (05511-010004 / 0-5511-010004) ...+44-5511-xxxxxx / 0044-5511-xxxxxx (05511-xxxxxx / 0-5511-xxxxxx) ...+44-5511-019995 / 0044-5511-019995 (05511-019995 / 0-5511-019995) +44-5511-019996 / 0044-5511-019996 (05511-019996 / 0-5511-019996) +44-5511-019997 / 0044-5511-019997 (05511-019997 / 0-5511-019997) +44-5511-019998 / 0044-5511-019998 (05511-019998 / 0-5511-019998) +44-5511-019999 / 0044-5511-019999 (05511-019999 / 0-5511-019999)