Area Code +47-21-(640000...649999) 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 : 640000 Subscriber Number To : 649999 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 : Telio Telecom 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-(600000...639999) next › : +47-21-(650000...655999) Dialling Instructions For trunk calls: - 21 640000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 21 640000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 640000 ~ 649999 (Count: 10,000) Example: +47-21-640000 / 0047-21-640000 (21-640000 / -21-640000) +47-21-640001 / 0047-21-640001 (21-640001 / -21-640001) +47-21-640002 / 0047-21-640002 (21-640002 / -21-640002) +47-21-640003 / 0047-21-640003 (21-640003 / -21-640003) +47-21-640004 / 0047-21-640004 (21-640004 / -21-640004) ...+47-21-xxxxxx / 0047-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+47-21-649995 / 0047-21-649995 (21-649995 / -21-649995) +47-21-649996 / 0047-21-649996 (21-649996 / -21-649996) +47-21-649997 / 0047-21-649997 (21-649997 / -21-649997) +47-21-649998 / 0047-21-649998 (21-649998 / -21-649998) +47-21-649999 / 0047-21-649999 (21-649999 / -21-649999)