Area Code +44-1923-(390000...399999) located in Watford, Hertfordshire (HRT), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1923 Subscriber Number From : 390000 Subscriber Number To : 399999 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 : Watford Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.6500 Longitude : -0.4000 ‹ previous : +44-1923-(389000...389999) next › : +44-1923-(400000...400999) Dialling Instructions For trunk calls: 0 1923 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1923 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +44-1923-390000 / 0044-1923-390000 (01923-390000 / 0-1923-390000) +44-1923-390001 / 0044-1923-390001 (01923-390001 / 0-1923-390001) +44-1923-390002 / 0044-1923-390002 (01923-390002 / 0-1923-390002) +44-1923-390003 / 0044-1923-390003 (01923-390003 / 0-1923-390003) +44-1923-390004 / 0044-1923-390004 (01923-390004 / 0-1923-390004) ...+44-1923-xxxxxx / 0044-1923-xxxxxx (01923-xxxxxx / 0-1923-xxxxxx) ...+44-1923-399995 / 0044-1923-399995 (01923-399995 / 0-1923-399995) +44-1923-399996 / 0044-1923-399996 (01923-399996 / 0-1923-399996) +44-1923-399997 / 0044-1923-399997 (01923-399997 / 0-1923-399997) +44-1923-399998 / 0044-1923-399998 (01923-399998 / 0-1923-399998) +44-1923-399999 / 0044-1923-399999 (01923-399999 / 0-1923-399999)
