Area Code +44-55-(55890000...55899999) 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 : 55890000 Subscriber Number To : 55899999 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-(55880000...55889999) next › : +44-55-(55930000...55939999) Dialling Instructions For trunk calls: 0 55 55890000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 55 55890000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 55890000 ~ 55899999 (Count: 10,000) Example: +44-55-55890000 / 0044-55-55890000 (055-55890000 / 0-55-55890000) +44-55-55890001 / 0044-55-55890001 (055-55890001 / 0-55-55890001) +44-55-55890002 / 0044-55-55890002 (055-55890002 / 0-55-55890002) +44-55-55890003 / 0044-55-55890003 (055-55890003 / 0-55-55890003) +44-55-55890004 / 0044-55-55890004 (055-55890004 / 0-55-55890004) ...+44-55-xxxxxxxx / 0044-55-xxxxxxxx (055-xxxxxxxx / 0-55-xxxxxxxx) ...+44-55-55899995 / 0044-55-55899995 (055-55899995 / 0-55-55899995) +44-55-55899996 / 0044-55-55899996 (055-55899996 / 0-55-55899996) +44-55-55899997 / 0044-55-55899997 (055-55899997 / 0-55-55899997) +44-55-55899998 / 0044-55-55899998 (055-55899998 / 0-55-55899998) +44-55-55899999 / 0044-55-55899999 (055-55899999 / 0-55-55899999)