Area Code +44-1763-(250000...259999) located in Royston, Hertfordshire (HRT), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1763 Subscriber Number From : 250000 Subscriber Number To : 259999 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 : HRT Region Name : Hertfordshire City : Royston Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 52.0500 Longitude : -0.0200 ‹ previous : +44-1763-(240000...249999) next › : +44-1763-(260000...269999) Dialling Instructions For trunk calls: 0 1763 250000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1763 250000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 250000 ~ 259999 (Count: 10,000) Example: +44-1763-250000 / 0044-1763-250000 (01763-250000 / 0-1763-250000) +44-1763-250001 / 0044-1763-250001 (01763-250001 / 0-1763-250001) +44-1763-250002 / 0044-1763-250002 (01763-250002 / 0-1763-250002) +44-1763-250003 / 0044-1763-250003 (01763-250003 / 0-1763-250003) +44-1763-250004 / 0044-1763-250004 (01763-250004 / 0-1763-250004) ...+44-1763-xxxxxx / 0044-1763-xxxxxx (01763-xxxxxx / 0-1763-xxxxxx) ...+44-1763-259995 / 0044-1763-259995 (01763-259995 / 0-1763-259995) +44-1763-259996 / 0044-1763-259996 (01763-259996 / 0-1763-259996) +44-1763-259997 / 0044-1763-259997 (01763-259997 / 0-1763-259997) +44-1763-259998 / 0044-1763-259998 (01763-259998 / 0-1763-259998) +44-1763-259999 / 0044-1763-259999 (01763-259999 / 0-1763-259999)