Area Code +44-121-(4000000...4009999) 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 : 4000000 Subscriber Number To : 4009999 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 : Numbergroup Network Ltd 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-(3880000...3889999) next › : +44-121-(4010000...4019999) Dialling Instructions For trunk calls: 0 121 4000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 4000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4000000 ~ 4009999 (Count: 10,000) Example: +44-121-4000000 / 0044-121-4000000 (0121-4000000 / 0-121-4000000) +44-121-4000001 / 0044-121-4000001 (0121-4000001 / 0-121-4000001) +44-121-4000002 / 0044-121-4000002 (0121-4000002 / 0-121-4000002) +44-121-4000003 / 0044-121-4000003 (0121-4000003 / 0-121-4000003) +44-121-4000004 / 0044-121-4000004 (0121-4000004 / 0-121-4000004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-4009995 / 0044-121-4009995 (0121-4009995 / 0-121-4009995) +44-121-4009996 / 0044-121-4009996 (0121-4009996 / 0-121-4009996) +44-121-4009997 / 0044-121-4009997 (0121-4009997 / 0-121-4009997) +44-121-4009998 / 0044-121-4009998 (0121-4009998 / 0-121-4009998) +44-121-4009999 / 0044-121-4009999 (0121-4009999 / 0-121-4009999)
