Larger post offices are open from 8:00 a.m. to 6:00 p.m. whereas smaller offices might have shorter opening hours. Most letters within Germany reach their destination within the next working day.
You can get stamps at post offices and at vending machines. For postage rates, please check the German Postal Service (Deutsche Post).
The post office in Dahlem is at Königin-Luise-Str. 43 (Dahlem-Dorf). To find a post office near your apartment, you can check the website of the German Postal Service (Deutsche Post).
For postal codes (Postleitzahl) check here.