Johnstown Zip Codes - Weld County CO

Johnstown, CO Zip Code Map

Johnstown, CO is a city located in Weld County, Colorado and has a land area of 48.05 square miles (124.45 km2). The water area for the city is 0.44 square miles or 1.14 km2. There is one unique zip code in Johnstown, Colorado and it is 80534. The area code(s) for Johnstown is 970.

Zip Codes for Johnstown, CO (1)

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80534 Johnstown Weld

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