Area Code +44-1491-(810000...819999) located in Henley-on-Thames, Oxfordshire (OXF), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1491 Subscriber Number From : 810000 Subscriber Number To : 819999 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 : Magrathea Telecommunications 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 : OXF Region Name : Oxfordshire City : Henley-on-Thames Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5400 Longitude : -0.9000 ‹ previous : +44-1491-(800000...809999) next › : +44-1491-(820000...829999) Dialling Instructions For trunk calls: 0 1491 810000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1491 810000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 810000 ~ 819999 (Count: 10,000) Example: +44-1491-810000 / 0044-1491-810000 (01491-810000 / 0-1491-810000) +44-1491-810001 / 0044-1491-810001 (01491-810001 / 0-1491-810001) +44-1491-810002 / 0044-1491-810002 (01491-810002 / 0-1491-810002) +44-1491-810003 / 0044-1491-810003 (01491-810003 / 0-1491-810003) +44-1491-810004 / 0044-1491-810004 (01491-810004 / 0-1491-810004) ...+44-1491-xxxxxx / 0044-1491-xxxxxx (01491-xxxxxx / 0-1491-xxxxxx) ...+44-1491-819995 / 0044-1491-819995 (01491-819995 / 0-1491-819995) +44-1491-819996 / 0044-1491-819996 (01491-819996 / 0-1491-819996) +44-1491-819997 / 0044-1491-819997 (01491-819997 / 0-1491-819997) +44-1491-819998 / 0044-1491-819998 (01491-819998 / 0-1491-819998) +44-1491-819999 / 0044-1491-819999 (01491-819999 / 0-1491-819999)