Carbon County, Montana ZIP codes
10 ZIP codes are in Carbon County, plus 3 that cross in from neighboring counties. It's part of the Billings, MT metro area.
- ZIP codes
- 10
- Population in these ZIPs
- 10,782
- Avg. median income
- $82,100population-weighted
- Cities & towns
- 10
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Carbon County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 59007 | Bearcreek | 96 | $113,750 | $212,500 |
| 59008 | Belfry | 456 | $100,469 | $415,000 |
| 59013 | Boyd | 199 | $200,125 | $540,700 |
| 59014 | Bridger | 1,510 | $55,234 | $388,200 |
| 59026 | Edgar | 81 | $90,278 | $350,000 |
| 59029 | Fromberg | 760 | $72,188 | $379,900 |
| 59041 | Joliet | 2,258 | $80,500 | $536,400 |
| 59068 | Red Lodge | 3,977 | $80,962 | $519,600 |
| 59070 | Roberts | 1,403 | $96,250 | $571,800 |
| 59071 | Roscoe | 42 | $92,500 | $508,600 |
ZIP codes partly in Carbon County
These ZIP codes are mostly in a neighboring county but cover part of Carbon County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 59001 | Absarokee | Stillwater County | 1,409 | $82,692 | $448,200 |
| 59019 | Columbus | Stillwater County | 4,438 | $84,591 | $473,800 |
| 59044 | Laurel | Yellowstone County | 12,302 | $87,648 | $373,900 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Carbon County
Nearby counties
Frequently asked questions
How many ZIP codes are in Carbon County, Montana?
10 ZIP codes are mainly in Carbon County, and 3 more ZIP codes from neighboring areas reach partly into it.
What cities are in Carbon County?
ZIP codes in Carbon County use the city names Bearcreek, Belfry, Boyd, Bridger, Edgar, Fromberg, Joliet, Red Lodge, Roberts and Roscoe.
What metro area is Carbon County in?
Carbon County is part of the Billings, MT metropolitan statistical area.