Area Code +44-121-(1100000...1109999) 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 : 1100000 Subscriber Number To : 1109999 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 : 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) 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-(1060000...1069999) next › : +44-121-(1110000...1119999) Dialling Instructions For trunk calls: 0 121 1100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 1100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1100000 ~ 1109999 (Count: 10,000) Example: +44-121-1100000 / 0044-121-1100000 (0121-1100000 / 0-121-1100000) +44-121-1100001 / 0044-121-1100001 (0121-1100001 / 0-121-1100001) +44-121-1100002 / 0044-121-1100002 (0121-1100002 / 0-121-1100002) +44-121-1100003 / 0044-121-1100003 (0121-1100003 / 0-121-1100003) +44-121-1100004 / 0044-121-1100004 (0121-1100004 / 0-121-1100004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-1109995 / 0044-121-1109995 (0121-1109995 / 0-121-1109995) +44-121-1109996 / 0044-121-1109996 (0121-1109996 / 0-121-1109996) +44-121-1109997 / 0044-121-1109997 (0121-1109997 / 0-121-1109997) +44-121-1109998 / 0044-121-1109998 (0121-1109998 / 0-121-1109998) +44-121-1109999 / 0044-121-1109999 (0121-1109999 / 0-121-1109999)