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Post Offices by County

BOULDER COUNTY,

COLORADO

ZIP Code	Post Office	Date Established	Date Discontinued

80510	ALLENSPARK
80302	BOULDER	04/22/1859
80020	BROOMFIELD
	CARIBOU	01/31/1871	03/31/1917
80025	ELDORADO SPRINGS
80533	HYGIENE	06/25/1883
80455	JAMESTOWN
80026	LAFAYETTE	02/04/1889
80501	LONGMONT
80027	LOUISVILLE
80540	LYONS
80466	NEDERLAND
80544	NIWOT
80471	PINECLIFFE
80481	WARD

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