Area Code +47-23-(500000...509999) located in All locations, Oslo fylke (03), more detail is as below. Place International Dialing Code : 47 International Prefix : 00 National Destination Code : 23 Subscriber Number From : 500000 Subscriber Number To : 509999 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 : Orange Business Norway 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 : +47-23-(420000...499999) next › : +47-23-(520000...529999) Dialling Instructions For trunk calls: - 23 500000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 23 500000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 500000 ~ 509999 (Count: 10,000) Example: +47-23-500000 / 0047-23-500000 (23-500000 / -23-500000) +47-23-500001 / 0047-23-500001 (23-500001 / -23-500001) +47-23-500002 / 0047-23-500002 (23-500002 / -23-500002) +47-23-500003 / 0047-23-500003 (23-500003 / -23-500003) +47-23-500004 / 0047-23-500004 (23-500004 / -23-500004) ...+47-23-xxxxxx / 0047-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+47-23-509995 / 0047-23-509995 (23-509995 / -23-509995) +47-23-509996 / 0047-23-509996 (23-509996 / -23-509996) +47-23-509997 / 0047-23-509997 (23-509997 / -23-509997) +47-23-509998 / 0047-23-509998 (23-509998 / -23-509998) +47-23-509999 / 0047-23-509999 (23-509999 / -23-509999)