Area Code +44-1204-(312000...312999) located in Bolton, Bolton (BOL), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1204 Subscriber Number From : 312000 Subscriber Number To : 312999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : API Telecom 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 : BOL Region Name : Bolton City : Bolton Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 53.5800 Longitude : -2.4300 ‹ previous : +44-1204-(311000...311999) next › : +44-1204-(313000...313999) Dialling Instructions For trunk calls: 0 1204 312000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1204 312000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 312000 ~ 312999 (Count: 1,000) Example: +44-1204-312000 / 0044-1204-312000 (01204-312000 / 0-1204-312000) +44-1204-312001 / 0044-1204-312001 (01204-312001 / 0-1204-312001) +44-1204-312002 / 0044-1204-312002 (01204-312002 / 0-1204-312002) +44-1204-312003 / 0044-1204-312003 (01204-312003 / 0-1204-312003) +44-1204-312004 / 0044-1204-312004 (01204-312004 / 0-1204-312004) ...+44-1204-xxxxxx / 0044-1204-xxxxxx (01204-xxxxxx / 0-1204-xxxxxx) ...+44-1204-312995 / 0044-1204-312995 (01204-312995 / 0-1204-312995) +44-1204-312996 / 0044-1204-312996 (01204-312996 / 0-1204-312996) +44-1204-312997 / 0044-1204-312997 (01204-312997 / 0-1204-312997) +44-1204-312998 / 0044-1204-312998 (01204-312998 / 0-1204-312998) +44-1204-312999 / 0044-1204-312999 (01204-312999 / 0-1204-312999)