Grass Valley Post offices My location Unknown My Location Lets you see shops near you! Detect location Show Map Filters Open now Sunday shopping Open on: Monday 29 Apr Tuesday 30 Apr Wednesday 1 May Thursday 2 May Friday 3 May Saturday 4 May A < 1 mi United States Postal Service- 185 E Main St Grass Valley B 1,07 km FedEx- 109 Spring Hill Dr Grass Valley C 2,46 km United States Postal Service- 12700 Colfax Hwy Grass Valley Previous Next