Oslo area code
Oslo, Norway: area code 21, 22, 23, 24. From abroad dial +47 21 XX XX XX; within the country 21 XX XX XX.
21
- Country
Norway +47- Area codes
- 21, 22, 23, 24
- From abroad
- +47 21 XX XX XX
- Within the country
- 21 XX XX XX
- Number ranges
- 22, 210, 211, 212, 215, 216, 217, 218, 230, 231, 232, 233, 234, 235, 237, 239, 240, 243, 244, 245, 246, 247, 248, 249, 2132, 2133, 2134, 2135, 2136, 2137, 2138, 2139, 2140, 2142, 2143, 2145, 2146, 2147, 2148, 2149, 2190, 2191, 2193, 2194, 2195, 2196, 2197, 2198, 2360, 2361, 2363, 2364, 2366, 2367, 2368, 2369, 2380, 2381, 2382, 2383 …
How to dial
From another country dial +47, then 21 and the local number: +47 21 XX XX XX. In place of the +, dial the exit code of the country you are calling from: 00 in most countries, 011 from the US and Canada. On a mobile phone you can simply dial +.
From elsewhere in Norway: 21 XX XX XX.