Area Code +44-5516-(580000...589999) located in Corporate Numbers, more detail is as below. Place International Dialing Code : 44 International Prefix : 00 National Prefix : 0 National Destination Code : 5516 Subscriber Number From : 580000 Subscriber Number To : 589999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : S (Special) Carrier Name : BT 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 : +44-5516-(570000...579999) next › : +44-5516-(590000...599999) Dialling Instructions For trunk calls: 0 5516 580000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5516 580000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 580000 ~ 589999 (Count: 10,000) Example: +44-5516-580000 / 0044-5516-580000 (05516-580000 / 0-5516-580000) +44-5516-580001 / 0044-5516-580001 (05516-580001 / 0-5516-580001) +44-5516-580002 / 0044-5516-580002 (05516-580002 / 0-5516-580002) +44-5516-580003 / 0044-5516-580003 (05516-580003 / 0-5516-580003) +44-5516-580004 / 0044-5516-580004 (05516-580004 / 0-5516-580004) ...+44-5516-xxxxxx / 0044-5516-xxxxxx (05516-xxxxxx / 0-5516-xxxxxx) ...+44-5516-589995 / 0044-5516-589995 (05516-589995 / 0-5516-589995) +44-5516-589996 / 0044-5516-589996 (05516-589996 / 0-5516-589996) +44-5516-589997 / 0044-5516-589997 (05516-589997 / 0-5516-589997) +44-5516-589998 / 0044-5516-589998 (05516-589998 / 0-5516-589998) +44-5516-589999 / 0044-5516-589999 (05516-589999 / 0-5516-589999)