Area Code +47-21-(437000...447999) 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 : 437000 Subscriber Number To : 447999 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 : NextGenTel 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-(420000...424999) next › : +47-21-(448000...449999) Dialling Instructions For trunk calls: - 21 437000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 47 21 437000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 437000 ~ 447999 (Count: 11,000) Example: +47-21-437000 / 0047-21-437000 (21-437000 / -21-437000) +47-21-437001 / 0047-21-437001 (21-437001 / -21-437001) +47-21-437002 / 0047-21-437002 (21-437002 / -21-437002) +47-21-437003 / 0047-21-437003 (21-437003 / -21-437003) +47-21-437004 / 0047-21-437004 (21-437004 / -21-437004) ...+47-21-xxxxxx / 0047-21-xxxxxx (21-xxxxxx / -21-xxxxxx) ...+47-21-447995 / 0047-21-447995 (21-447995 / -21-447995) +47-21-447996 / 0047-21-447996 (21-447996 / -21-447996) +47-21-447997 / 0047-21-447997 (21-447997 / -21-447997) +47-21-447998 / 0047-21-447998 (21-447998 / -21-447998) +47-21-447999 / 0047-21-447999 (21-447999 / -21-447999)