Area Code +47-21-(600000...639999) located in All locations, Oslo fylke (03), more detail is as below. Place International Dialing Code : 47 International Prefix : 00 National Destination Code : 21 Subscriber Number From : 600000 Subscriber Number To : 639999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TDC AS Click here to buy Norway Area Code Database Other Information Language Code : no Country Number : 578 (Norway) Country Code : NO (Norway) Region Code : 03 Region Name : Oslo fylke City : All locations Timezone : Europe/Oslo Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 8 Latitude : 59.9300 Longitude : 10.7500 ‹ previous : +47-21-(590000...599999) next › : +47-21-(640000...649999) Dialling Instructions For trunk calls: - 21 600000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 21 600000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 600000 ~ 639999 (Count: 40,000) Example: +47-21-600000 / 0047-21-600000 (21-600000 / -21-600000) +47-21-600001 / 0047-21-600001 (21-600001 / -21-600001) +47-21-600002 / 0047-21-600002 (21-600002 / -21-600002) +47-21-600003 / 0047-21-600003 (21-600003 / -21-600003) +47-21-600004 / 0047-21-600004 (21-600004 / -21-600004) ...+47-21-xxxxxx / 0047-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+47-21-639995 / 0047-21-639995 (21-639995 / -21-639995) +47-21-639996 / 0047-21-639996 (21-639996 / -21-639996) +47-21-639997 / 0047-21-639997 (21-639997 / -21-639997) +47-21-639998 / 0047-21-639998 (21-639998 / -21-639998) +47-21-639999 / 0047-21-639999 (21-639999 / -21-639999)