Area Code +44-121-(3670000...3679999) 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 : 3670000 Subscriber Number To : 3679999 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 : Invomo Ltd 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-(3660000...3669999) next › : +44-121-(3680000...3689999) Dialling Instructions For trunk calls: 0 121 3670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 3670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3670000 ~ 3679999 (Count: 10,000) Example: +44-121-3670000 / 0044-121-3670000 (0121-3670000 / 0-121-3670000) +44-121-3670001 / 0044-121-3670001 (0121-3670001 / 0-121-3670001) +44-121-3670002 / 0044-121-3670002 (0121-3670002 / 0-121-3670002) +44-121-3670003 / 0044-121-3670003 (0121-3670003 / 0-121-3670003) +44-121-3670004 / 0044-121-3670004 (0121-3670004 / 0-121-3670004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-3679995 / 0044-121-3679995 (0121-3679995 / 0-121-3679995) +44-121-3679996 / 0044-121-3679996 (0121-3679996 / 0-121-3679996) +44-121-3679997 / 0044-121-3679997 (0121-3679997 / 0-121-3679997) +44-121-3679998 / 0044-121-3679998 (0121-3679998 / 0-121-3679998) +44-121-3679999 / 0044-121-3679999 (0121-3679999 / 0-121-3679999)