New Castle Zip Codes - Garfield County CO

New Castle, CO Zip Code Map

New Castle, CO is a city located in Garfield County, Colorado and has a land area of 284.85 square miles (737.76 km2). The water area for the city is 0.70 square miles or 1.81 km2. There is one unique zip code in New Castle, Colorado and it is 81647. The area code(s) for New Castle is 970.

Zip Codes for New Castle, CO (1)

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81647 New Castle Garfield

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