ZIP 59063 falls in Stillwater County, Montana, where we hold 1 septic-related documents. We have not classified septic-versus-sewer status for this county, and we do not have a per-ZIP parcel count -- see the county page for what we hold and where the records are kept.
ZCTA 59063 is not entirely inside one county. Land-area share is from the 2020 Census ZCTA-to-county relationship file.
| County | Land in this ZIP | Documents held | On septic (county) | On sewer (county) |
|---|---|---|---|---|
| Stillwater County, Montana | 100% | 1 | — | — |
| Yellowstone County, Montana | 0% | 82 | — | — |
2 businesses on record with an address in this ZIP: pumping, installation, design, inspection and repair. Not an endorsement, and we take no fee.
| Company | City | Phone | Rating |
|---|---|---|---|
| Rock Solid Excavating | Park City | (406) 855-8371 | 1.0 (1) |
| Western Septic & Vacuum Truck Services | Park City | (406) 298-0650 | — |
Land-area overlap is from the 2020 Census Bureau ZCTA5-to-county relationship file, not an estimate of ours. Parcel and document counts are rows we hold, not a survey of every property in the ZIP. Last verified 2026-09-01.
We have not measured septic-versus-sewer status for this county yet.
ZIP 59063 spans 2 counties: Stillwater County, Montana, Yellowstone County, Montana.