County ZIP codes · Montana · FIPS 30071
Phillips County, MT ZIP Codes
Phillips County, Montana has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Phillips County and 1 mainly in a neighboring county; 3 cross the county line.
- ACS2020-24
- Census2020
Where are the ZIP codes of Phillips County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All 7 residential ZIP codes in Phillips County
6 ZIP codes lie mainly in Phillips County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 59538 | Malta | 2,737 | 1 | $57k | $192k | 100% |
| 59524 | Dodson | 643 | 1 | $48k | $62k | 88% |
| 59261 | Saco | 525 | 1 | $53k | $143k | 79% |
| 59544 | Whitewater | 207 | 0 | $40k | $250k | 100% |
| 59546 | Zortman | 191 | 2 | $49k | – | 100% |
| 59537 | Loring | 159 | 0 | – | – | 100% |
Partly in Phillips County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 59542 | Turner | 442 | 1 | $57k | $188k | 35% |
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?
3 ZIP codes of Phillips County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Phillips | Elsewhere |
|---|---|---|
| 59524 | 88% | Blaine County12% |
| 59261 | 79% | Valley County21% |
| 59542 | 35% | Blaine County65% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Phillips County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Phillips County's ZIP codes use 2 prefixes: 592 and 595.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.