Area Code +44-23-(11010000...11019999) 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 : 11010000 Subscriber Number To : 11019999 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 : Affiniti Integrated Solutions Ltd 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 : +44-23-(00020000...00029999) next › : +44-23-(11050000...11059999) Dialling Instructions For trunk calls: 0 23 11010000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 23 11010000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 11010000 ~ 11019999 (Count: 10,000) Example: +44-23-11010000 / 0044-23-11010000 (023-11010000 / 0-23-11010000) +44-23-11010001 / 0044-23-11010001 (023-11010001 / 0-23-11010001) +44-23-11010002 / 0044-23-11010002 (023-11010002 / 0-23-11010002) +44-23-11010003 / 0044-23-11010003 (023-11010003 / 0-23-11010003) +44-23-11010004 / 0044-23-11010004 (023-11010004 / 0-23-11010004) ...+44-23-xxxxxxxx / 0044-23-xxxxxxxx (023-xxxxxxxx / 0-23-xxxxxxxx) ...+44-23-11019995 / 0044-23-11019995 (023-11019995 / 0-23-11019995) +44-23-11019996 / 0044-23-11019996 (023-11019996 / 0-23-11019996) +44-23-11019997 / 0044-23-11019997 (023-11019997 / 0-23-11019997) +44-23-11019998 / 0044-23-11019998 (023-11019998 / 0-23-11019998) +44-23-11019999 / 0044-23-11019999 (023-11019999 / 0-23-11019999)