Area Code +44-121-(4790000...4799999) 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 : 4790000 Subscriber Number To : 4799999 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 : Wightfibre 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-(4780000...4789999) next › : +44-121-(4800000...4809999) Dialling Instructions For trunk calls: 0 121 4790000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 4790000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4790000 ~ 4799999 (Count: 10,000) Example: +44-121-4790000 / 0044-121-4790000 (0121-4790000 / 0-121-4790000) +44-121-4790001 / 0044-121-4790001 (0121-4790001 / 0-121-4790001) +44-121-4790002 / 0044-121-4790002 (0121-4790002 / 0-121-4790002) +44-121-4790003 / 0044-121-4790003 (0121-4790003 / 0-121-4790003) +44-121-4790004 / 0044-121-4790004 (0121-4790004 / 0-121-4790004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-4799995 / 0044-121-4799995 (0121-4799995 / 0-121-4799995) +44-121-4799996 / 0044-121-4799996 (0121-4799996 / 0-121-4799996) +44-121-4799997 / 0044-121-4799997 (0121-4799997 / 0-121-4799997) +44-121-4799998 / 0044-121-4799998 (0121-4799998 / 0-121-4799998) +44-121-4799999 / 0044-121-4799999 (0121-4799999 / 0-121-4799999)