Area Code +44-121-(0010000...0019999) 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 : 0010000 Subscriber Number To : 0019999 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 : Oxygen8 Communications UK 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-(0000000...0009999) next › : +44-121-(0020000...0029999) Dialling Instructions For trunk calls: 0 121 0010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 0010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0010000 ~ 0019999 (Count: 10,000) Example: +44-121-0010000 / 0044-121-0010000 (0121-0010000 / 0-121-0010000) +44-121-0010001 / 0044-121-0010001 (0121-0010001 / 0-121-0010001) +44-121-0010002 / 0044-121-0010002 (0121-0010002 / 0-121-0010002) +44-121-0010003 / 0044-121-0010003 (0121-0010003 / 0-121-0010003) +44-121-0010004 / 0044-121-0010004 (0121-0010004 / 0-121-0010004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-0019995 / 0044-121-0019995 (0121-0019995 / 0-121-0019995) +44-121-0019996 / 0044-121-0019996 (0121-0019996 / 0-121-0019996) +44-121-0019997 / 0044-121-0019997 (0121-0019997 / 0-121-0019997) +44-121-0019998 / 0044-121-0019998 (0121-0019998 / 0-121-0019998) +44-121-0019999 / 0044-121-0019999 (0121-0019999 / 0-121-0019999)