Area Code +44-121-(4830000...4839999) 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 : 4830000 Subscriber Number To : 4839999 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-(4820000...4829999) next › : +44-121-(4840000...4849999) Dialling Instructions For trunk calls: 0 121 4830000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 4830000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4830000 ~ 4839999 (Count: 10,000) Example: +44-121-4830000 / 0044-121-4830000 (0121-4830000 / 0-121-4830000) +44-121-4830001 / 0044-121-4830001 (0121-4830001 / 0-121-4830001) +44-121-4830002 / 0044-121-4830002 (0121-4830002 / 0-121-4830002) +44-121-4830003 / 0044-121-4830003 (0121-4830003 / 0-121-4830003) +44-121-4830004 / 0044-121-4830004 (0121-4830004 / 0-121-4830004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-4839995 / 0044-121-4839995 (0121-4839995 / 0-121-4839995) +44-121-4839996 / 0044-121-4839996 (0121-4839996 / 0-121-4839996) +44-121-4839997 / 0044-121-4839997 (0121-4839997 / 0-121-4839997) +44-121-4839998 / 0044-121-4839998 (0121-4839998 / 0-121-4839998) +44-121-4839999 / 0044-121-4839999 (0121-4839999 / 0-121-4839999)