Area Code +44-121-(3890000...3899999) 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 : 3890000 Subscriber Number To : 3899999 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-(3240000...3249999) next › : +44-121-(3900000...3909999) Dialling Instructions For trunk calls: 0 121 3890000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 3890000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3890000 ~ 3899999 (Count: 10,000) Example: +44-121-3890000 / 0044-121-3890000 (0121-3890000 / 0-121-3890000) +44-121-3890001 / 0044-121-3890001 (0121-3890001 / 0-121-3890001) +44-121-3890002 / 0044-121-3890002 (0121-3890002 / 0-121-3890002) +44-121-3890003 / 0044-121-3890003 (0121-3890003 / 0-121-3890003) +44-121-3890004 / 0044-121-3890004 (0121-3890004 / 0-121-3890004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-3899995 / 0044-121-3899995 (0121-3899995 / 0-121-3899995) +44-121-3899996 / 0044-121-3899996 (0121-3899996 / 0-121-3899996) +44-121-3899997 / 0044-121-3899997 (0121-3899997 / 0-121-3899997) +44-121-3899998 / 0044-121-3899998 (0121-3899998 / 0-121-3899998) +44-121-3899999 / 0044-121-3899999 (0121-3899999 / 0-121-3899999)