Area Code +44-1638-(220000...229999) located in Newmarket, Suffolk (SFK), more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 1638 Subscriber Number From : 220000 Subscriber Number To : 229999 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 : Net Solutions Europe 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 : SFK Region Name : Suffolk City : Newmarket Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 52.2500 Longitude : 0.4000 ‹ previous : +44-1638-(210000...219999) next › : +44-1638-(240000...249999) Dialling Instructions For trunk calls: 0 1638 220000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 1638 220000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 220000 ~ 229999 (Count: 10,000) Example: +44-1638-220000 / 0044-1638-220000 (01638-220000 / 0-1638-220000) +44-1638-220001 / 0044-1638-220001 (01638-220001 / 0-1638-220001) +44-1638-220002 / 0044-1638-220002 (01638-220002 / 0-1638-220002) +44-1638-220003 / 0044-1638-220003 (01638-220003 / 0-1638-220003) +44-1638-220004 / 0044-1638-220004 (01638-220004 / 0-1638-220004) ...+44-1638-xxxxxx / 0044-1638-xxxxxx (01638-xxxxxx / 0-1638-xxxxxx) ...+44-1638-229995 / 0044-1638-229995 (01638-229995 / 0-1638-229995) +44-1638-229996 / 0044-1638-229996 (01638-229996 / 0-1638-229996) +44-1638-229997 / 0044-1638-229997 (01638-229997 / 0-1638-229997) +44-1638-229998 / 0044-1638-229998 (01638-229998 / 0-1638-229998) +44-1638-229999 / 0044-1638-229999 (01638-229999 / 0-1638-229999)