Area Code +47-23-(880000...899999) 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 : 880000 Subscriber Number To : 899999 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 : TeliaSonera Norge 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-(680000...709999) next › : +47-23-(900000...909999) Dialling Instructions For trunk calls: - 23 880000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 23 880000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 880000 ~ 899999 (Count: 20,000) Example: +47-23-880000 / 0047-23-880000 (23-880000 / -23-880000) +47-23-880001 / 0047-23-880001 (23-880001 / -23-880001) +47-23-880002 / 0047-23-880002 (23-880002 / -23-880002) +47-23-880003 / 0047-23-880003 (23-880003 / -23-880003) +47-23-880004 / 0047-23-880004 (23-880004 / -23-880004) ...+47-23-xxxxxx / 0047-23-xxxxxx (23-xxxxxx / -23-xxxxxx) ...+47-23-899995 / 0047-23-899995 (23-899995 / -23-899995) +47-23-899996 / 0047-23-899996 (23-899996 / -23-899996) +47-23-899997 / 0047-23-899997 (23-899997 / -23-899997) +47-23-899998 / 0047-23-899998 (23-899998 / -23-899998) +47-23-899999 / 0047-23-899999 (23-899999 / -23-899999)