Area Code +44-1707-(200000...209999) 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 : 200000 Subscriber Number To : 209999 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 : Vodafone Ltd (Energis) 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-(100000...109999) next › : +44-1707-(210000...219999) Dialling Instructions For trunk calls: 0 1707 200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1707 200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 200000 ~ 209999 (Count: 10,000) Example: +44-1707-200000 / 0044-1707-200000 (01707-200000 / 0-1707-200000) +44-1707-200001 / 0044-1707-200001 (01707-200001 / 0-1707-200001) +44-1707-200002 / 0044-1707-200002 (01707-200002 / 0-1707-200002) +44-1707-200003 / 0044-1707-200003 (01707-200003 / 0-1707-200003) +44-1707-200004 / 0044-1707-200004 (01707-200004 / 0-1707-200004) ...+44-1707-xxxxxx / 0044-1707-xxxxxx (01707-xxxxxx / 0-1707-xxxxxx) ...+44-1707-209995 / 0044-1707-209995 (01707-209995 / 0-1707-209995) +44-1707-209996 / 0044-1707-209996 (01707-209996 / 0-1707-209996) +44-1707-209997 / 0044-1707-209997 (01707-209997 / 0-1707-209997) +44-1707-209998 / 0044-1707-209998 (01707-209998 / 0-1707-209998) +44-1707-209999 / 0044-1707-209999 (01707-209999 / 0-1707-209999)