Government in Hamburg, IA City Office1201 Main StHamburg, IA, 516407123821313City ClerkCity OfficesFremont County CourthouseGovernment CityNrcs Hamburg City Office1005 Bluff StHamburg, IA, 516407123821624City ClerkCity OfficesFremont County CourthouseGovernment CityNrcs Show MoreSee AlsoGovernment Offices