Area Code +44-5588-(390000...399999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5588 Subscriber Number From : 390000 Subscriber Number To : 399999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Hutchison 3G UK 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) City : Corporate Numbers Timezone : Europe/London Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 51.5100 Longitude : -0.1300 ‹ previous : +44-5588-(380000...389999) next › : +44-5588-(440000...449999) Dialling Instructions For trunk calls: 0 5588 390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5588 390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 390000 ~ 399999 (Count: 10,000) Example: +44-5588-390000 / 0044-5588-390000 (05588-390000 / 0-5588-390000) +44-5588-390001 / 0044-5588-390001 (05588-390001 / 0-5588-390001) +44-5588-390002 / 0044-5588-390002 (05588-390002 / 0-5588-390002) +44-5588-390003 / 0044-5588-390003 (05588-390003 / 0-5588-390003) +44-5588-390004 / 0044-5588-390004 (05588-390004 / 0-5588-390004) ...+44-5588-xxxxxx / 0044-5588-xxxxxx (05588-xxxxxx / 0-5588-xxxxxx) ...+44-5588-399995 / 0044-5588-399995 (05588-399995 / 0-5588-399995) +44-5588-399996 / 0044-5588-399996 (05588-399996 / 0-5588-399996) +44-5588-399997 / 0044-5588-399997 (05588-399997 / 0-5588-399997) +44-5588-399998 / 0044-5588-399998 (05588-399998 / 0-5588-399998) +44-5588-399999 / 0044-5588-399999 (05588-399999 / 0-5588-399999)