Lewistown Zip Codes - Fergus County MT

Lewistown, MT Zip Code Map

Lewistown, MT is a city located in Fergus County, Montana and has a land area of 995.61 square miles (2,578.62 km2). The water area for the city is 0.41 square miles or 1.06 km2. There is one unique zip code in Lewistown, Montana and it is 59457. The area code(s) for Lewistown is 406.

Zip Codes for Lewistown, MT (1)
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59457 Lewistown Fergus

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