ZIP codes in Park County
11 ZIPs touch Park County, Montana. The blue dashed line is the county border; orange ZIPs reach into it.
11
ZIP codes
4
cross the county line
57,329
people in these ZIPs
56
counties in MT
Most people
Park County ZIP list
More counties in Montana
- Madison County18
- McCone County6
- Meagher County4
- Mineral County6
- Missoula County19
- Musselshell County6
- Petroleum County4
- Phillips County8
- Pondera County6
- Powder River County10
- Powell County8
- Prairie County8
Questions people actually ask
How many ZIP codes are in Park County, Montana?
11 ZIP codes reach into Park County. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Park County has the most people?
59715 (Bozeman) has about 39,643 residents, the most of any ZIP touching Park County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Park County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Park County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from