Area Code +44-5555-(500000...509999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5555 Subscriber Number From : 500000 Subscriber Number To : 509999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : Nationwide Telephone Assistance 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-(400000...409999) next › : +44-5555-(550000...559999) Dialling Instructions For trunk calls: 0 5555 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5555 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +44-5555-500000 / 0044-5555-500000 (05555-500000 / 0-5555-500000) +44-5555-500001 / 0044-5555-500001 (05555-500001 / 0-5555-500001) +44-5555-500002 / 0044-5555-500002 (05555-500002 / 0-5555-500002) +44-5555-500003 / 0044-5555-500003 (05555-500003 / 0-5555-500003) +44-5555-500004 / 0044-5555-500004 (05555-500004 / 0-5555-500004) ...+44-5555-xxxxxx / 0044-5555-xxxxxx (05555-xxxxxx / 0-5555-xxxxxx) ...+44-5555-509995 / 0044-5555-509995 (05555-509995 / 0-5555-509995) +44-5555-509996 / 0044-5555-509996 (05555-509996 / 0-5555-509996) +44-5555-509997 / 0044-5555-509997 (05555-509997 / 0-5555-509997) +44-5555-509998 / 0044-5555-509998 (05555-509998 / 0-5555-509998) +44-5555-509999 / 0044-5555-509999 (05555-509999 / 0-5555-509999)