Area Code +44-1246-(100000...109999) located in Chesterfield, Derbyshire (DBY), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1246 Subscriber Number From : 100000 Subscriber Number To : 109999 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 : 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 : DBY Region Name : Derbyshire City : Chesterfield Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 53.2400 Longitude : -1.4200 ‹ previous : +44-1245-(987000...987999) next › : +44-1246-(114000...114999) Dialling Instructions For trunk calls: 0 1246 100000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1246 100000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 100000 ~ 109999 (Count: 10,000) Example: +44-1246-100000 / 0044-1246-100000 (01246-100000 / 0-1246-100000) +44-1246-100001 / 0044-1246-100001 (01246-100001 / 0-1246-100001) +44-1246-100002 / 0044-1246-100002 (01246-100002 / 0-1246-100002) +44-1246-100003 / 0044-1246-100003 (01246-100003 / 0-1246-100003) +44-1246-100004 / 0044-1246-100004 (01246-100004 / 0-1246-100004) ...+44-1246-xxxxxx / 0044-1246-xxxxxx (01246-xxxxxx / 0-1246-xxxxxx) ...+44-1246-109995 / 0044-1246-109995 (01246-109995 / 0-1246-109995) +44-1246-109996 / 0044-1246-109996 (01246-109996 / 0-1246-109996) +44-1246-109997 / 0044-1246-109997 (01246-109997 / 0-1246-109997) +44-1246-109998 / 0044-1246-109998 (01246-109998 / 0-1246-109998) +44-1246-109999 / 0044-1246-109999 (01246-109999 / 0-1246-109999)