Area Code +47-21-(670000...678999) 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 : 670000 Subscriber Number To : 678999 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 : Ventelo 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-(660000...669999) next › : +47-21-(679000...699999) Dialling Instructions For trunk calls: - 21 670000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 21 670000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 670000 ~ 678999 (Count: 9,000) Example: +47-21-670000 / 0047-21-670000 (21-670000 / -21-670000) +47-21-670001 / 0047-21-670001 (21-670001 / -21-670001) +47-21-670002 / 0047-21-670002 (21-670002 / -21-670002) +47-21-670003 / 0047-21-670003 (21-670003 / -21-670003) +47-21-670004 / 0047-21-670004 (21-670004 / -21-670004) ...+47-21-xxxxxx / 0047-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+47-21-678995 / 0047-21-678995 (21-678995 / -21-678995) +47-21-678996 / 0047-21-678996 (21-678996 / -21-678996) +47-21-678997 / 0047-21-678997 (21-678997 / -21-678997) +47-21-678998 / 0047-21-678998 (21-678998 / -21-678998) +47-21-678999 / 0047-21-678999 (21-678999 / -21-678999)