Area Code +47-21-(450000...455999) 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 : 450000 Subscriber Number To : 455999 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 : Altibox 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-(448000...449999) next › : +47-21-(490000...499999) Dialling Instructions For trunk calls: - 21 450000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 21 450000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 450000 ~ 455999 (Count: 6,000) Example: +47-21-450000 / 0047-21-450000 (21-450000 / -21-450000) +47-21-450001 / 0047-21-450001 (21-450001 / -21-450001) +47-21-450002 / 0047-21-450002 (21-450002 / -21-450002) +47-21-450003 / 0047-21-450003 (21-450003 / -21-450003) +47-21-450004 / 0047-21-450004 (21-450004 / -21-450004) ...+47-21-xxxxxx / 0047-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+47-21-455995 / 0047-21-455995 (21-455995 / -21-455995) +47-21-455996 / 0047-21-455996 (21-455996 / -21-455996) +47-21-455997 / 0047-21-455997 (21-455997 / -21-455997) +47-21-455998 / 0047-21-455998 (21-455998 / -21-455998) +47-21-455999 / 0047-21-455999 (21-455999 / -21-455999)