Area Code +44-121-(6650000...6659999) 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 : 6650000 Subscriber Number To : 6659999 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-(6640000...6649999) next › : +44-121-(6660000...6669999) Dialling Instructions For trunk calls: 0 121 6650000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 6650000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 6650000 ~ 6659999 (Count: 10,000) Example: +44-121-6650000 / 0044-121-6650000 (0121-6650000 / 0-121-6650000) +44-121-6650001 / 0044-121-6650001 (0121-6650001 / 0-121-6650001) +44-121-6650002 / 0044-121-6650002 (0121-6650002 / 0-121-6650002) +44-121-6650003 / 0044-121-6650003 (0121-6650003 / 0-121-6650003) +44-121-6650004 / 0044-121-6650004 (0121-6650004 / 0-121-6650004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-6659995 / 0044-121-6659995 (0121-6659995 / 0-121-6659995) +44-121-6659996 / 0044-121-6659996 (0121-6659996 / 0-121-6659996) +44-121-6659997 / 0044-121-6659997 (0121-6659997 / 0-121-6659997) +44-121-6659998 / 0044-121-6659998 (0121-6659998 / 0-121-6659998) +44-121-6659999 / 0044-121-6659999 (0121-6659999 / 0-121-6659999)