Area Code +47-21-(500000...589999) 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 : 500000 Subscriber Number To : 589999 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-(490000...499999) next › : +47-21-(590000...599999) Dialling Instructions For trunk calls: - 21 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 21 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 589999 (Count: 90,000) Example: +47-21-500000 / 0047-21-500000 (21-500000 / -21-500000) +47-21-500001 / 0047-21-500001 (21-500001 / -21-500001) +47-21-500002 / 0047-21-500002 (21-500002 / -21-500002) +47-21-500003 / 0047-21-500003 (21-500003 / -21-500003) +47-21-500004 / 0047-21-500004 (21-500004 / -21-500004) ...+47-21-xxxxxx / 0047-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+47-21-589995 / 0047-21-589995 (21-589995 / -21-589995) +47-21-589996 / 0047-21-589996 (21-589996 / -21-589996) +47-21-589997 / 0047-21-589997 (21-589997 / -21-589997) +47-21-589998 / 0047-21-589998 (21-589998 / -21-589998) +47-21-589999 / 0047-21-589999 (21-589999 / -21-589999)