0233 area code — Oslo
In Norway, the area code 0233 covers Oslo. Numbers are written internationally as +47 233.
How to call Oslo
- From abroad
- +47 233 XXX XXXX
- Within Norway
- 0233 XXX XXXX
- Country calling code
- +47
About the 0233 area code
When you see a number beginning +47 233, it belongs to Oslo: the 47 is Norway's country calling code and 233 is the area code.
Area codes like 0233 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Norway number. To actually receive an SMS on a Norway number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Oslo?
Oslo uses the area code 0233, written internationally as +47 233.
How do I call Oslo from another country?
Dial your international access code, then +47 233, then the local number — dropping the national leading 0.
What time is it in Oslo?
Oslo is in the Europe/Oslo time zone; the live clock above shows the current local time.
Is 0233 a mobile or a landline code?
0233 is a geographic (landline) area code for Oslo. Mobile numbers in Norway use their own separate prefixes.