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Helvetia (OR state) ZIP code. ZIP code of Helvetia (OR) is 97124. Below you can find map of Helvetia, or look up other ZIP codes in Oregon or other US states. If Helvetia's ZIP code is duplicated, and other places have same ZIP code number, you can use our ZIP code searcher by number 97124.
Zip Code 59032 Description. Zip Code 59032 is located in the state of Montana in the Great Falls metro area. Zip code 59032 is primarily located in Fergus County. The official US Postal Service name for 59032 is GRASS RANGE, Montana. Portions of zip code 59032 are contained within or border the city limits of Grass Range, MT, .