Area Code +44-1707-(239000...239999) 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 : 239000 Subscriber Number To : 239999 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 : Level 3 Communications UK 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 : 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-(233000...233999) next › : +44-1707-(240000...240999) Dialling Instructions For trunk calls: 0 1707 239000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1707 239000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 239000 ~ 239999 (Count: 1,000) Example: +44-1707-239000 / 0044-1707-239000 (01707-239000 / 0-1707-239000) +44-1707-239001 / 0044-1707-239001 (01707-239001 / 0-1707-239001) +44-1707-239002 / 0044-1707-239002 (01707-239002 / 0-1707-239002) +44-1707-239003 / 0044-1707-239003 (01707-239003 / 0-1707-239003) +44-1707-239004 / 0044-1707-239004 (01707-239004 / 0-1707-239004) ...+44-1707-xxxxxx / 0044-1707-xxxxxx (01707-xxxxxx / 0-1707-xxxxxx) ...+44-1707-239995 / 0044-1707-239995 (01707-239995 / 0-1707-239995) +44-1707-239996 / 0044-1707-239996 (01707-239996 / 0-1707-239996) +44-1707-239997 / 0044-1707-239997 (01707-239997 / 0-1707-239997) +44-1707-239998 / 0044-1707-239998 (01707-239998 / 0-1707-239998) +44-1707-239999 / 0044-1707-239999 (01707-239999 / 0-1707-239999)