Area Code +44-55-(11450000...11459999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 55 Subscriber Number From : 11450000 Subscriber Number To : 11459999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : D (D) Carrier Name : BT 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 : 51.5000 Longitude : -0.1300 ‹ previous : +44-55-(11440000...11449999) next › : +44-55-(11460000...11469999) Dialling Instructions For trunk calls: 0 55 11450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 55 11450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 11450000 ~ 11459999 (Count: 10,000) Example: +44-55-11450000 / 0044-55-11450000 (055-11450000 / 0-55-11450000) +44-55-11450001 / 0044-55-11450001 (055-11450001 / 0-55-11450001) +44-55-11450002 / 0044-55-11450002 (055-11450002 / 0-55-11450002) +44-55-11450003 / 0044-55-11450003 (055-11450003 / 0-55-11450003) +44-55-11450004 / 0044-55-11450004 (055-11450004 / 0-55-11450004) ...+44-55-xxxxxxxx / 0044-55-xxxxxxxx (055-xxxxxxxx / 0-55-xxxxxxxx) ...+44-55-11459995 / 0044-55-11459995 (055-11459995 / 0-55-11459995) +44-55-11459996 / 0044-55-11459996 (055-11459996 / 0-55-11459996) +44-55-11459997 / 0044-55-11459997 (055-11459997 / 0-55-11459997) +44-55-11459998 / 0044-55-11459998 (055-11459998 / 0-55-11459998) +44-55-11459999 / 0044-55-11459999 (055-11459999 / 0-55-11459999)