Germany
☎️ Landline / Geographic
Area Code 231 – Dortmund
The phone area code for Dortmund is 231 (international format +49231). Browse local exchange codes (NXX) and carrier assignments below.
Current Local Time
07:39:34
Europe/Berlin • UTC +02:00
Full Dialing Format
+49231
Population
603,462
👥
Admin Region
North Rhine-Westphalia
🗺️
Elevation
95m
🏔️
GPS Coordinates
51.5125, 7.4770
📍
📞 Exchange Codes (NXX) for Area Code 231
Select a central office code to view local carrier data and detailed information
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340
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341
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342
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343
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344
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345
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346
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347
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348
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349
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350
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351
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352
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353
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354
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355
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356
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357
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358
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359
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360
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361
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362
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363
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364
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365
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366
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367
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368
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369
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370
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371
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372
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373
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374
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375
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376
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377
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378
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379