01149 and +49 often work interchangeably from cell phones (use also to text German numbers).
Aachen | 241 | Halle (Saale) | 345 | Mulheim an der Ruhr | 208 |
Augsburg | 821 | Hamburg | 40 | Munich | 89 |
Bergisch Gladbach | 2202 | Hamm Westfalen ** | 2381 | Munster ** | 251 |
Berlin | 30 | Hanau | 6181 | Neuss ** | 2131 |
Bielefeld | 521 | Hannover | 511 | Nuremberg | 911 |
Bochum | 234 | Heidelberg | 6221 | Oberhausen Rheinland | 208 |
Bonn | 228 | Heilbronn Neckar | 7131 | Ochsenhausen | 7352 |
Bottrop | 2041 | Herne | 2323 | Oldenburg | 441 |
Brandenburg an der Havel | 3381 | Hildesheim | 5121 | Osnabruck | 541 |
Braunschweig ** | 531 | Ingolstadt ** | 841 | Paderborn ** | 5251 |
Bremen | 421 | Iserlohn ** | 2371 | Pforzheim | 7231 |
Bremerhaven | 471 | Jena | 3641 | Potsdam | 331 |
Chemnitz | 371 | Kaiserslautern | 631 | Ratingen | 2102 |
Cottbus | 355 | Karlsruhe | 721 | Recklinghausen | 2361 |
Darmstadt | 6151 | Kassel | 561 | Regensburg | 941 |
Dessau | 340 | Kiel | 431 | Remscheid | 2191 |
Dortmund | 231 | Koblenz am Rhein | 261 | Reutlingen | 7121 |
Dresden | 351 | Koln (Cologne) | 221 | Rostock | 381 |
Duisburg ** | 203 | Konstanz | 7531 | Saarbrucken ** | 681 |
Duren | 2421 | Krefeld | 2151 | Salzgitter ** | 5341 |
Dusseldorf | 211 | Leipzig | 341 | Schwerin | 385 |
Erfurt | 361 | Leverkusen ** | 214 | Siegen | 271 |
Erlangen | 9131 | Lubeck ** | 451 | Solingen | 212 |
Essen | 201 | Ludwigsburg | 7141 | Stuttgart | 711 |
Esslingen am Neckar | 711 | Ludwigshafen am Rhein | 621 | Trier | 651 |
Flensburg | 461 | Lunen | 2306 | Tubingen | 7071 |
Frankfurt | 69 | Magdeburg | 391 | Ulm Donau | 731 |
Freiburg ** | 761 | Mainz | 6131 | Velbert ** | 2051 |
Fremdingen | 9086 | Mannheim | 621 | Wiesbaden | 611 |
Gelsenkirchen | 209 | Marburg | 6421 | Witten | 2302 |
Gera | 365 | Marl | 2365 | Wolfsburg ** | 5361 |
Gottingen | 551 | Minden Westfalen | 571 | Wuppertal | 202 |
Gutersloh ** | 5241 | Moers | 2841 | Wurzburg | 931 |
Hagen Westfalen ** | 2331 | Monchengladbach ** | 2161 | Zwickau | 375 |
**Some suburban areas of these cities use different area codes. |