Sour Lake 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- 665 6th St Sour Lake B 12 km United States Postal Service- 770 17019 FM Sour Lake C 14 km United States Postal Service- 9117 Main St Sour Lake Previous Next