County ZIP codes · Montana · FIPS 30093
Silver Bow County, MT ZIP Codes
Silver Bow County, Montana has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 3 for PO boxes or a single organization. 4 of the residential ones lie mainly in Silver Bow County and 3 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $58,157 in 59711 (Anaconda) to $60,571 in 59759 (Whitehall) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Silver Bow County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
They carry 6 postal town names: Butte, Anaconda, Whitehall, Ramsay, Divide, Melrose.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 7 residential ZIP codes in Silver Bow County
4 ZIP codes lie mainly in Silver Bow County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 59701 | Butte | 34,232 | 67 | $60k | $248k | 49% |
| 59750 | Butte | 500 | 5 | $95k | $550k | 100% |
| 59748 | Ramsay | 354 | 17 | $108k | $291k | 100% |
| 59727 | Divide | 293 | 1 | $65k | $358k | 80% |
Partly in Silver Bow County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Silver Bow County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Silver Bow | Elsewhere |
|---|---|---|
| 59701 | 49% | Jefferson County 47%; Deer Lodge County 5% |
| 59711 | 11% | Deer Lodge County 64%; Granite County 25% |
| 59759 | 7% | Jefferson County 61%; Madison County 32% |
| 59727 | 80% | Beaverhead County 20% |
| 59743 | 9% | Beaverhead County 63%; Madison County 28% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Silver Bow County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Silver Bow County starts with 597.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 597 | Billings, MT (SCF 590) | 10 | 49 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.