Dortmund Area Codes, Germany |
| Country | Town/City | Area Code |
| Germany | Dortmund | +49 231 |
Area Codes of Germany Cities
- Area Code of Aachen
- Area Code of Augsburg
- Area Code of Bergisch Gladbach
- Area Code of Berlin
- Area Code of Bielefeld
- Area Code of Bonn
- Area Code of Bottrop
- Area Code of Braunschweig
- Area Code of Bremen
- Area Code of Bremerhaven
- Area Code of Chemnitz
- Area Code of Cologne
- Area Code of Cottbus
- Area Code of Darmstadt
- Area Code of Dortmund
- Area Code of Dresden
- Area Code of Duisburg
- Area Code of Düsseldorf
- Area Code of Erfurt
- Area Code of Erlangen
- Area Code of Essen
- Area Code of Frankfurt
- Area Code of Frankfurt am Main
- Area Code of Frankfurt an der Oder
- Area Code of Freiburg
- Area Code of Fürth
- Area Code of Gelsenkirchen
- Area Code of Gera
- Area Code of Göttingen
- Area Code of Hagen
- Area Code of Halle
- Area Code of Hamburg
- Area Code of Hamm
- Area Code of Hannover
- Area Code of Heidelberg
- Area Code of Heilbronn
- Area Code of Herne
- Area Code of Hildesheim
- Area Code of Ingolstadt
- Area Code of Karlsruhe
- Area Code of Kassel
- Area Code of Kiel
- Area Code of Koblenz
- Area Code of Krefeld
- Area Code of Leipzig
- Area Code of Leverkusen
- Area Code of Lübeck
- Area Code of Ludwigsburg
- Area Code of Ludwigshafen
- Area Code of Magdeburg
- Area Code of Mainz
- Area Code of Mannheim
- Area Code of Mönchengladbach
- Area Code of Munich
- Area Code of Munster
- Area Code of Neubrandenburg
- Area Code of Neuss
- Area Code of Nuremberg
- Area Code of Oberhausen
- Area Code of Offenbach