Area Code +44-55-(55840000...55849999) 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 : 55840000 Subscriber Number To : 55849999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : D (D) Carrier Name : Network Rail Infrastructure 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 : 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-(55660000...55669999) next › : +44-55-(55860000...55869999) Dialling Instructions For trunk calls: 0 55 55840000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 55 55840000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 55840000 ~ 55849999 (Count: 10,000) Example: +44-55-55840000 / 0044-55-55840000 (055-55840000 / 0-55-55840000) +44-55-55840001 / 0044-55-55840001 (055-55840001 / 0-55-55840001) +44-55-55840002 / 0044-55-55840002 (055-55840002 / 0-55-55840002) +44-55-55840003 / 0044-55-55840003 (055-55840003 / 0-55-55840003) +44-55-55840004 / 0044-55-55840004 (055-55840004 / 0-55-55840004) ...+44-55-xxxxxxxx / 0044-55-xxxxxxxx (055-xxxxxxxx / 0-55-xxxxxxxx) ...+44-55-55849995 / 0044-55-55849995 (055-55849995 / 0-55-55849995) +44-55-55849996 / 0044-55-55849996 (055-55849996 / 0-55-55849996) +44-55-55849997 / 0044-55-55849997 (055-55849997 / 0-55-55849997) +44-55-55849998 / 0044-55-55849998 (055-55849998 / 0-55-55849998) +44-55-55849999 / 0044-55-55849999 (055-55849999 / 0-55-55849999)