Area Code +44-121-(6400000...6409999) 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 : 6400000 Subscriber Number To : 6409999 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 : Mars Communications 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-(6390000...6399999) next › : +44-121-(6410000...6419999) Dialling Instructions For trunk calls: 0 121 6400000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 6400000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6400000 ~ 6409999 (Count: 10,000) Example: +44-121-6400000 / 0044-121-6400000 (0121-6400000 / 0-121-6400000) +44-121-6400001 / 0044-121-6400001 (0121-6400001 / 0-121-6400001) +44-121-6400002 / 0044-121-6400002 (0121-6400002 / 0-121-6400002) +44-121-6400003 / 0044-121-6400003 (0121-6400003 / 0-121-6400003) +44-121-6400004 / 0044-121-6400004 (0121-6400004 / 0-121-6400004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-6409995 / 0044-121-6409995 (0121-6409995 / 0-121-6409995) +44-121-6409996 / 0044-121-6409996 (0121-6409996 / 0-121-6409996) +44-121-6409997 / 0044-121-6409997 (0121-6409997 / 0-121-6409997) +44-121-6409998 / 0044-121-6409998 (0121-6409998 / 0-121-6409998) +44-121-6409999 / 0044-121-6409999 (0121-6409999 / 0-121-6409999)
