Area Code +44-5516-(630000...639999) 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 : 630000 Subscriber Number To : 639999 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-(620000...629999) next › : +44-5516-(640000...649999) Dialling Instructions For trunk calls: 0 5516 630000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 44 5516 630000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 630000 ~ 639999 (Count: 10,000) Example: +44-5516-630000 / 0044-5516-630000 (05516-630000 / 0-5516-630000) +44-5516-630001 / 0044-5516-630001 (05516-630001 / 0-5516-630001) +44-5516-630002 / 0044-5516-630002 (05516-630002 / 0-5516-630002) +44-5516-630003 / 0044-5516-630003 (05516-630003 / 0-5516-630003) +44-5516-630004 / 0044-5516-630004 (05516-630004 / 0-5516-630004) ...+44-5516-xxxxxx / 0044-5516-xxxxxx (05516-xxxxxx / 0-5516-xxxxxx) ...+44-5516-639995 / 0044-5516-639995 (05516-639995 / 0-5516-639995) +44-5516-639996 / 0044-5516-639996 (05516-639996 / 0-5516-639996) +44-5516-639997 / 0044-5516-639997 (05516-639997 / 0-5516-639997) +44-5516-639998 / 0044-5516-639998 (05516-639998 / 0-5516-639998) +44-5516-639999 / 0044-5516-639999 (05516-639999 / 0-5516-639999)