Government Offices in Northwood, IA Northwood City Clerk627 Central AveNorthwood, IA, 504596413241075City OfClarks Grove City HallGovernment CityNorthwoods Ia Post Office Northwood City Office2104 Central AveNorthwood, IA, 504596413241903City OfClarks Grove City HallGovernment CityNorthwoods Ia Post Office Show More