Area Code +44-121-(1030000...1039999) 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 : 1030000 Subscriber Number To : 1039999 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-(1020000...1029999) next › : +44-121-(1040000...1049999) Dialling Instructions For trunk calls: 0 121 1030000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 1030000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1030000 ~ 1039999 (Count: 10,000) Example: +44-121-1030000 / 0044-121-1030000 (0121-1030000 / 0-121-1030000) +44-121-1030001 / 0044-121-1030001 (0121-1030001 / 0-121-1030001) +44-121-1030002 / 0044-121-1030002 (0121-1030002 / 0-121-1030002) +44-121-1030003 / 0044-121-1030003 (0121-1030003 / 0-121-1030003) +44-121-1030004 / 0044-121-1030004 (0121-1030004 / 0-121-1030004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-1039995 / 0044-121-1039995 (0121-1039995 / 0-121-1039995) +44-121-1039996 / 0044-121-1039996 (0121-1039996 / 0-121-1039996) +44-121-1039997 / 0044-121-1039997 (0121-1039997 / 0-121-1039997) +44-121-1039998 / 0044-121-1039998 (0121-1039998 / 0-121-1039998) +44-121-1039999 / 0044-121-1039999 (0121-1039999 / 0-121-1039999)