Area Code +44-1923-(958000...958999) 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 : 958000 Subscriber Number To : 958999 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 : 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-(957000...957999) next › : +44-1924-(200000...209999) Dialling Instructions For trunk calls: 0 1923 958000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1923 958000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 958000 ~ 958999 (Count: 1,000) Example: +44-1923-958000 / 0044-1923-958000 (01923-958000 / 0-1923-958000) +44-1923-958001 / 0044-1923-958001 (01923-958001 / 0-1923-958001) +44-1923-958002 / 0044-1923-958002 (01923-958002 / 0-1923-958002) +44-1923-958003 / 0044-1923-958003 (01923-958003 / 0-1923-958003) +44-1923-958004 / 0044-1923-958004 (01923-958004 / 0-1923-958004) ...+44-1923-xxxxxx / 0044-1923-xxxxxx (01923-xxxxxx / 0-1923-xxxxxx) ...+44-1923-958995 / 0044-1923-958995 (01923-958995 / 0-1923-958995) +44-1923-958996 / 0044-1923-958996 (01923-958996 / 0-1923-958996) +44-1923-958997 / 0044-1923-958997 (01923-958997 / 0-1923-958997) +44-1923-958998 / 0044-1923-958998 (01923-958998 / 0-1923-958998) +44-1923-958999 / 0044-1923-958999 (01923-958999 / 0-1923-958999)