Potosi, Washington County, Missouri

Dates of post office operation: 1824-Present

Zip Code	63664	Location	54.8 miles SW of St Louis
Latitude	37.954942	Other name(s)	Mine au Breton
Longitude	90.841467	Map from US Census	USGS GNIS
Population	2,683

Potosi has had these other postal activities:

	Y	N
Precancels	X
Territorial		X
County Seat	X
7-1-1971 Affair	X
Doane Cancel		X
Spray Markings		X
Researcher(s)		X

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Updated: 27 Nov 2009 23:28:47