Area Code +44-5588-(300000...309999) 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 : 300000 Subscriber Number To : 309999 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 : +44-5555-(930000...939999) next › : +44-5588-(310000...319999) Dialling Instructions For trunk calls: 0 5588 300000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5588 300000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 300000 ~ 309999 (Count: 10,000) Example: +44-5588-300000 / 0044-5588-300000 (05588-300000 / 0-5588-300000) +44-5588-300001 / 0044-5588-300001 (05588-300001 / 0-5588-300001) +44-5588-300002 / 0044-5588-300002 (05588-300002 / 0-5588-300002) +44-5588-300003 / 0044-5588-300003 (05588-300003 / 0-5588-300003) +44-5588-300004 / 0044-5588-300004 (05588-300004 / 0-5588-300004) ...+44-5588-xxxxxx / 0044-5588-xxxxxx (05588-xxxxxx / 0-5588-xxxxxx) ...+44-5588-309995 / 0044-5588-309995 (05588-309995 / 0-5588-309995) +44-5588-309996 / 0044-5588-309996 (05588-309996 / 0-5588-309996) +44-5588-309997 / 0044-5588-309997 (05588-309997 / 0-5588-309997) +44-5588-309998 / 0044-5588-309998 (05588-309998 / 0-5588-309998) +44-5588-309999 / 0044-5588-309999 (05588-309999 / 0-5588-309999)