Area Code +47-23-(670000...679999) 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 : 670000 Subscriber Number To : 679999 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 : Astrium Services Business Communication 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-(655000...656999) next › : +47-23-(680000...709999) Dialling Instructions For trunk calls: - 23 670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 23 670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 670000 ~ 679999 (Count: 10,000) Example: +47-23-670000 / 0047-23-670000 (23-670000 / -23-670000) +47-23-670001 / 0047-23-670001 (23-670001 / -23-670001) +47-23-670002 / 0047-23-670002 (23-670002 / -23-670002) +47-23-670003 / 0047-23-670003 (23-670003 / -23-670003) +47-23-670004 / 0047-23-670004 (23-670004 / -23-670004) ...+47-23-xxxxxx / 0047-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+47-23-679995 / 0047-23-679995 (23-679995 / -23-679995) +47-23-679996 / 0047-23-679996 (23-679996 / -23-679996) +47-23-679997 / 0047-23-679997 (23-679997 / -23-679997) +47-23-679998 / 0047-23-679998 (23-679998 / -23-679998) +47-23-679999 / 0047-23-679999 (23-679999 / -23-679999)