Area Code +44-121-(3810000...3819999) 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 : 3810000 Subscriber Number To : 3819999 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 : Nodemax 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-(3800000...3809999) next › : +44-121-(3820000...3829999) Dialling Instructions For trunk calls: 0 121 3810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 3810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3810000 ~ 3819999 (Count: 10,000) Example: +44-121-3810000 / 0044-121-3810000 (0121-3810000 / 0-121-3810000) +44-121-3810001 / 0044-121-3810001 (0121-3810001 / 0-121-3810001) +44-121-3810002 / 0044-121-3810002 (0121-3810002 / 0-121-3810002) +44-121-3810003 / 0044-121-3810003 (0121-3810003 / 0-121-3810003) +44-121-3810004 / 0044-121-3810004 (0121-3810004 / 0-121-3810004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-3819995 / 0044-121-3819995 (0121-3819995 / 0-121-3819995) +44-121-3819996 / 0044-121-3819996 (0121-3819996 / 0-121-3819996) +44-121-3819997 / 0044-121-3819997 (0121-3819997 / 0-121-3819997) +44-121-3819998 / 0044-121-3819998 (0121-3819998 / 0-121-3819998) +44-121-3819999 / 0044-121-3819999 (0121-3819999 / 0-121-3819999)