Telephone numbers in Norway

Country Code: +47
International Call Prefix: 00
Trunk Prefix: none (may bring back if Norway joins the European Union)

Since 1992, land-line and mobile telephone numbers in Norway consist of eight digits, without any area codes. The numbers are apportioned in blocks, which vary in size between a thousand and over a million, among counties and telephone companies.

Geographic numbers

2x xx xx xx  geographic numbers, mainly Oslo
3x xx xx xx  geographic numbers in south-central counties, except Oppland
5x xx xx xx  (except 58 and 59) geographic numbers in south-western counties, including Bergen
6x xx xx xx  geographic numbers in south-eastern counties and Oppland
7x xx xx xx  geographic numbers in the mid and north, from Møre og Romsdal, Trøndelag (Trondheim) and up north
00           international prefix

Non-geographic numbers

 8xx xx xxx  non-geographical numbers (toll-free, voicemail, television shows, etc.)

Mobile numbers

 9xx xx xxx  mobile numbers (older)
 4xx xx xxx  mobile numbers (newer)

Emergency

110              Emergency, fire
112              Emergency, police
113              Emergency, ambulance

Special numbers

01              reserved for future changes 
02xxx to 09xxx  5-digit non-geographical numbers 
100-189         standardised special numbers
19x             operator-specific special numbers 

A more complete plan is available from the Norwegian Post and Telecommunications Authority.