Area Code +44-121-(5730000...5739999) 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 : 5730000 Subscriber Number To : 5739999 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 : Sipcentric 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-(5190000...5199999) next › : +44-121-(5870000...5879999) Dialling Instructions For trunk calls: 0 121 5730000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 121 5730000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5730000 ~ 5739999 (Count: 10,000) Example: +44-121-5730000 / 0044-121-5730000 (0121-5730000 / 0-121-5730000) +44-121-5730001 / 0044-121-5730001 (0121-5730001 / 0-121-5730001) +44-121-5730002 / 0044-121-5730002 (0121-5730002 / 0-121-5730002) +44-121-5730003 / 0044-121-5730003 (0121-5730003 / 0-121-5730003) +44-121-5730004 / 0044-121-5730004 (0121-5730004 / 0-121-5730004) ...+44-121-xxxxxxx / 0044-121-xxxxxxx (0121-xxxxxxx / 0-121-xxxxxxx) ...+44-121-5739995 / 0044-121-5739995 (0121-5739995 / 0-121-5739995) +44-121-5739996 / 0044-121-5739996 (0121-5739996 / 0-121-5739996) +44-121-5739997 / 0044-121-5739997 (0121-5739997 / 0-121-5739997) +44-121-5739998 / 0044-121-5739998 (0121-5739998 / 0-121-5739998) +44-121-5739999 / 0044-121-5739999 (0121-5739999 / 0-121-5739999)