Diamond Bar Post offices My location Unknown My Location Lets you see shops near you! Detect location Show Map Filters Open now Sunday shopping Open on: Thursday 2 May Friday 3 May Saturday 4 May Monday 6 May Tuesday 7 May Wednesday 8 May Thursday 9 May Friday 10 May Saturday 11 May A < 1 mi PostNet- 324 S Diamond Bar Blvd Diamond Bar B 2,07 km United States Postal Service- 1317 S Diamond Bar Blvd Diamond Bar Previous Next