Area Code +44-55-(55860000...55869999) 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 : 55860000 Subscriber Number To : 55869999 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-(55840000...55849999) next › : +44-55-(55880000...55889999) Dialling Instructions For trunk calls: 0 55 55860000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 55 55860000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 55860000 ~ 55869999 (Count: 10,000) Example: +44-55-55860000 / 0044-55-55860000 (055-55860000 / 0-55-55860000) +44-55-55860001 / 0044-55-55860001 (055-55860001 / 0-55-55860001) +44-55-55860002 / 0044-55-55860002 (055-55860002 / 0-55-55860002) +44-55-55860003 / 0044-55-55860003 (055-55860003 / 0-55-55860003) +44-55-55860004 / 0044-55-55860004 (055-55860004 / 0-55-55860004) ...+44-55-xxxxxxxx / 0044-55-xxxxxxxx (055-xxxxxxxx / 0-55-xxxxxxxx) ...+44-55-55869995 / 0044-55-55869995 (055-55869995 / 0-55-55869995) +44-55-55869996 / 0044-55-55869996 (055-55869996 / 0-55-55869996) +44-55-55869997 / 0044-55-55869997 (055-55869997 / 0-55-55869997) +44-55-55869998 / 0044-55-55869998 (055-55869998 / 0-55-55869998) +44-55-55869999 / 0044-55-55869999 (055-55869999 / 0-55-55869999)