Area Code +44-121-(5420000...5429999) 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 : 5420000 Subscriber Number To : 5429999 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 : Plus Telecom 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-(5410000...5419999) next › : +44-121-(5430000...5439999) Dialling Instructions For trunk calls: 0 121 5420000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 5420000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5420000 ~ 5429999 (Count: 10,000) Example: +44-121-5420000 / 0044-121-5420000 (0121-5420000 / 0-121-5420000) +44-121-5420001 / 0044-121-5420001 (0121-5420001 / 0-121-5420001) +44-121-5420002 / 0044-121-5420002 (0121-5420002 / 0-121-5420002) +44-121-5420003 / 0044-121-5420003 (0121-5420003 / 0-121-5420003) +44-121-5420004 / 0044-121-5420004 (0121-5420004 / 0-121-5420004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-5429995 / 0044-121-5429995 (0121-5429995 / 0-121-5429995) +44-121-5429996 / 0044-121-5429996 (0121-5429996 / 0-121-5429996) +44-121-5429997 / 0044-121-5429997 (0121-5429997 / 0-121-5429997) +44-121-5429998 / 0044-121-5429998 (0121-5429998 / 0-121-5429998) +44-121-5429999 / 0044-121-5429999 (0121-5429999 / 0-121-5429999)