Area Code +44-121-(5120000...5129999) located in Birmingham, Birmingham (BIR), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 121 Subscriber Number From : 5120000 Subscriber Number To : 5129999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Belgacom International Carrier Services SA 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) Region Code : BIR Region Name : Birmingham City : Birmingham Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 52.4800 Longitude : -1.8900 ‹ previous : +44-121-(4990000...4999999) next › : +44-121-(5160000...5169999) Dialling Instructions For trunk calls: 0 121 5120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 5120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5120000 ~ 5129999 (Count: 10,000) Example: +44-121-5120000 / 0044-121-5120000 (0121-5120000 / 0-121-5120000) +44-121-5120001 / 0044-121-5120001 (0121-5120001 / 0-121-5120001) +44-121-5120002 / 0044-121-5120002 (0121-5120002 / 0-121-5120002) +44-121-5120003 / 0044-121-5120003 (0121-5120003 / 0-121-5120003) +44-121-5120004 / 0044-121-5120004 (0121-5120004 / 0-121-5120004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-5129995 / 0044-121-5129995 (0121-5129995 / 0-121-5129995) +44-121-5129996 / 0044-121-5129996 (0121-5129996 / 0-121-5129996) +44-121-5129997 / 0044-121-5129997 (0121-5129997 / 0-121-5129997) +44-121-5129998 / 0044-121-5129998 (0121-5129998 / 0-121-5129998) +44-121-5129999 / 0044-121-5129999 (0121-5129999 / 0-121-5129999)