Area Code +44-1992-(900000...909999) located in Lea Valley, Hertfordshire (HRT), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1992 Subscriber Number From : 900000 Subscriber Number To : 909999 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 : Lea Valley Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.8200 Longitude : -0.3200 ‹ previous : +44-1992-(890000...899999) next › : +44-1993-(200000...200999) Dialling Instructions For trunk calls: 0 1992 900000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1992 900000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 900000 ~ 909999 (Count: 10,000) Example: +44-1992-900000 / 0044-1992-900000 (01992-900000 / 0-1992-900000) +44-1992-900001 / 0044-1992-900001 (01992-900001 / 0-1992-900001) +44-1992-900002 / 0044-1992-900002 (01992-900002 / 0-1992-900002) +44-1992-900003 / 0044-1992-900003 (01992-900003 / 0-1992-900003) +44-1992-900004 / 0044-1992-900004 (01992-900004 / 0-1992-900004) ...+44-1992-xxxxxx / 0044-1992-xxxxxx (01992-xxxxxx / 0-1992-xxxxxx) ...+44-1992-909995 / 0044-1992-909995 (01992-909995 / 0-1992-909995) +44-1992-909996 / 0044-1992-909996 (01992-909996 / 0-1992-909996) +44-1992-909997 / 0044-1992-909997 (01992-909997 / 0-1992-909997) +44-1992-909998 / 0044-1992-909998 (01992-909998 / 0-1992-909998) +44-1992-909999 / 0044-1992-909999 (01992-909999 / 0-1992-909999)