Area Code +44-23-(00010000...00019999) located in Southampton, Southampton (STH), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 23 Subscriber Number From : 00010000 Subscriber Number To : 00019999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : Virgin Media 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 : STH Region Name : Southampton City : Southampton Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 50.9000 Longitude : -1.4000 ‹ previous : +44-20-(87190000...87199999) next › : +44-23-(00020000...00029999) Dialling Instructions For trunk calls: 0 23 00010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 23 00010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 00010000 ~ 00019999 (Count: 10,000) Example: +44-23-00010000 / 0044-23-00010000 (023-00010000 / 0-23-00010000) +44-23-00010001 / 0044-23-00010001 (023-00010001 / 0-23-00010001) +44-23-00010002 / 0044-23-00010002 (023-00010002 / 0-23-00010002) +44-23-00010003 / 0044-23-00010003 (023-00010003 / 0-23-00010003) +44-23-00010004 / 0044-23-00010004 (023-00010004 / 0-23-00010004) ...+44-23-xxxxxxxx / 0044-23-xxxxxxxx (023-xxxxxxxx / 0-23-xxxxxxxx) ...+44-23-00019995 / 0044-23-00019995 (023-00019995 / 0-23-00019995) +44-23-00019996 / 0044-23-00019996 (023-00019996 / 0-23-00019996) +44-23-00019997 / 0044-23-00019997 (023-00019997 / 0-23-00019997) +44-23-00019998 / 0044-23-00019998 (023-00019998 / 0-23-00019998) +44-23-00019999 / 0044-23-00019999 (023-00019999 / 0-23-00019999)