Area Code +44-121-(5700000...5709999) 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 : 5700000 Subscriber Number To : 5709999 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 : Mintaka 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-(5690000...5699999) next › : +44-121-(5710000...5719999) Dialling Instructions For trunk calls: 0 121 5700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 5700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5700000 ~ 5709999 (Count: 10,000) Example: +44-121-5700000 / 0044-121-5700000 (0121-5700000 / 0-121-5700000) +44-121-5700001 / 0044-121-5700001 (0121-5700001 / 0-121-5700001) +44-121-5700002 / 0044-121-5700002 (0121-5700002 / 0-121-5700002) +44-121-5700003 / 0044-121-5700003 (0121-5700003 / 0-121-5700003) +44-121-5700004 / 0044-121-5700004 (0121-5700004 / 0-121-5700004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-5709995 / 0044-121-5709995 (0121-5709995 / 0-121-5709995) +44-121-5709996 / 0044-121-5709996 (0121-5709996 / 0-121-5709996) +44-121-5709997 / 0044-121-5709997 (0121-5709997 / 0-121-5709997) +44-121-5709998 / 0044-121-5709998 (0121-5709998 / 0-121-5709998) +44-121-5709999 / 0044-121-5709999 (0121-5709999 / 0-121-5709999)