Norway
☎️ Landline / Geographic
Area Code 231 – Oslo
The phone area code for Oslo is 231 (international format +47231). Browse local exchange codes (NXX) and carrier assignments below.
Current Local Time
04:48:00
UTC • UTC +00:00
Full Dialing Format
+47231
Population
1,082,575
👥
Admin Region
Oslo
🗺️
Elevation
26m
🏔️
GPS Coordinates
59.9127, 10.7461
📍
📞 Exchange Codes (NXX) for Area Code 231
Select a central office code to view local carrier data and detailed information
(231)
240
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241
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242
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243
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244
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245
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246
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247
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248
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249
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250
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251
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252
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253
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254
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255
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256
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257
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258
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259
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260
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261
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262
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263
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264
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265
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266
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267
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268
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269
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270
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271
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272
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273
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274
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275
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276
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277
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278
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279