Area Code +44-1707-(497000...497999) located in Welwyn Garden City, Hertfordshire (HRT), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1707 Subscriber Number From : 497000 Subscriber Number To : 497999 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 : Spitfire Network Services 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 : HRT Region Name : Hertfordshire City : Welwyn Garden City Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.8000 Longitude : -0.2100 ‹ previous : +44-1707-(480000...489999) next › : +44-1707-(500000...509999) Dialling Instructions For trunk calls: 0 1707 497000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1707 497000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 497000 ~ 497999 (Count: 1,000) Example: +44-1707-497000 / 0044-1707-497000 (01707-497000 / 0-1707-497000) +44-1707-497001 / 0044-1707-497001 (01707-497001 / 0-1707-497001) +44-1707-497002 / 0044-1707-497002 (01707-497002 / 0-1707-497002) +44-1707-497003 / 0044-1707-497003 (01707-497003 / 0-1707-497003) +44-1707-497004 / 0044-1707-497004 (01707-497004 / 0-1707-497004) ...+44-1707-xxxxxx / 0044-1707-xxxxxx (01707-xxxxxx / 0-1707-xxxxxx) ...+44-1707-497995 / 0044-1707-497995 (01707-497995 / 0-1707-497995) +44-1707-497996 / 0044-1707-497996 (01707-497996 / 0-1707-497996) +44-1707-497997 / 0044-1707-497997 (01707-497997 / 0-1707-497997) +44-1707-497998 / 0044-1707-497998 (01707-497998 / 0-1707-497998) +44-1707-497999 / 0044-1707-497999 (01707-497999 / 0-1707-497999)