Area Code +44-1665-(360000...369999) located in Alnwick, Northumberland (NBL), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1665 Subscriber Number From : 360000 Subscriber Number To : 369999 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 : Mars Communications 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 : NBL Region Name : Northumberland City : Alnwick Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 55.4100 Longitude : -1.7100 ‹ previous : +44-1665-(350000...359999) next › : +44-1665-(370000...379999) Dialling Instructions For trunk calls: 0 1665 360000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1665 360000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 360000 ~ 369999 (Count: 10,000) Example: +44-1665-360000 / 0044-1665-360000 (01665-360000 / 0-1665-360000) +44-1665-360001 / 0044-1665-360001 (01665-360001 / 0-1665-360001) +44-1665-360002 / 0044-1665-360002 (01665-360002 / 0-1665-360002) +44-1665-360003 / 0044-1665-360003 (01665-360003 / 0-1665-360003) +44-1665-360004 / 0044-1665-360004 (01665-360004 / 0-1665-360004) ...+44-1665-xxxxxx / 0044-1665-xxxxxx (01665-xxxxxx / 0-1665-xxxxxx) ...+44-1665-369995 / 0044-1665-369995 (01665-369995 / 0-1665-369995) +44-1665-369996 / 0044-1665-369996 (01665-369996 / 0-1665-369996) +44-1665-369997 / 0044-1665-369997 (01665-369997 / 0-1665-369997) +44-1665-369998 / 0044-1665-369998 (01665-369998 / 0-1665-369998) +44-1665-369999 / 0044-1665-369999 (01665-369999 / 0-1665-369999)