Area Code +44-121-(2310000...2319999) 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 : 2310000 Subscriber Number To : 2319999 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 : Easynet Enterprise Services 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) 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-(2300000...2309999) next › : +44-121-(2320000...2329999) Dialling Instructions For trunk calls: 0 121 2310000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 2310000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2310000 ~ 2319999 (Count: 10,000) Example: +44-121-2310000 / 0044-121-2310000 (0121-2310000 / 0-121-2310000) +44-121-2310001 / 0044-121-2310001 (0121-2310001 / 0-121-2310001) +44-121-2310002 / 0044-121-2310002 (0121-2310002 / 0-121-2310002) +44-121-2310003 / 0044-121-2310003 (0121-2310003 / 0-121-2310003) +44-121-2310004 / 0044-121-2310004 (0121-2310004 / 0-121-2310004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-2319995 / 0044-121-2319995 (0121-2319995 / 0-121-2319995) +44-121-2319996 / 0044-121-2319996 (0121-2319996 / 0-121-2319996) +44-121-2319997 / 0044-121-2319997 (0121-2319997 / 0-121-2319997) +44-121-2319998 / 0044-121-2319998 (0121-2319998 / 0-121-2319998) +44-121-2319999 / 0044-121-2319999 (0121-2319999 / 0-121-2319999)