ZIP code 59866
Where is ZIP code 59866?
Saint Regis, Montana
Mineral County · Standard ZIP code
ZIP code 59866 belongs to Saint Regis, Montana in Mineral County. 59866 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Mountain Time zone and uses area codes 208, 406 and 986. About 1,161 people live in the 59866 area, where the median household income is $73,462. The closest ZIP codes are 59830 (De Borgia, 9.1 mi northwest), 59842 (Haugan, 11.2 mi west) and 59859 (Plains, 16 mi northeast).
| ZIP code | 59866 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Saint Regis |
| State | Montana (MT) |
| County | Mineral County |
| Time zone | Mountain Time · now |
| Area codes | 208, 406, 986 |
| Coordinates | 47.3369, -115.1703 map |
| 3-digit prefix | 598 |
Population and income in 59866
| Population | 1,161 · higher than 66% of Montana ZIP codes |
|---|---|
| People per square mile | 5 · higher than 66% of Montana ZIP codes |
| Median age | 49.3 years · higher than 59% of Montana ZIP codes |
| Men / women | 49% / 51% |
| Median household income | $73,462 · higher than 61% of Montana ZIP codes |
| Income per person | $44,935 |
| Below the poverty line | 9.5% |
| Bachelor’s degree or higher | 40% of adults 25+ |
| Median home value | $343,700 · higher than 60% of Montana ZIP codes |
| Median rent | $888 a month |
| Housing units | 736 |
| Households | 554 (2.08 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 222.41 sq mi (plus 1.24 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 59866. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 59866
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 59830 | De Borgia, MT | 9.1 mi NW | PO Box only |
| 59842 | Haugan, MT | 11.2 mi W | PO Box only |
| 59859 | Plains, MT | 16 mi NE | Standard |
| 59867 | Saltese, MT | 16.7 mi W | Standard |
| 59872 | Superior, MT | 17.4 mi SE | Standard |
| 59856 | Paradise, MT | 17.7 mi E | PO Box only |
| 59873 | Thompson Falls, MT | 20.3 mi NW | Standard |
| 59845 | Hot Springs, MT | 29.6 mi NE | Standard |
| 83846 | Mullan, ID | 30.5 mi W | Standard |
| 83802 | Avery, ID | 32.9 mi W | Standard |
| 59848 | Lonepine, MT | 36 mi NE | Standard |
| 59874 | Trout Creek, MT | 37.4 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 59866 or measure the distance to another ZIP code.
How to address mail to 59866
123 MAIN ST
SAINT REGIS MT 59866
Put the city, the two-letter state code and the ZIP code on the last line. Avoid St Regis: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (59866-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 59866?
- 59866 is a Saint Regis, Montana ZIP code.
- What county is 59866 in?
- ZIP code 59866 is in Mineral County, Montana.
- What time zone is ZIP code 59866 in?
- 59866 is in the Mountain Time zone (America/Denver).
- What area code is 59866?
- Phone numbers in ZIP code 59866 use area codes 208, 406 and 986.
- What is the population of ZIP code 59866?
- About 1,161 people live in ZIP code 59866, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 59866?
- The median household income in 59866 is $73,462 a year, higher than 61% of Montana ZIP codes.
- What ZIP codes are near 59866?
- The nearest ZIP codes to 59866 are 59830 (De Borgia, 9.1 miles), 59842 (Haugan, 11.2 miles), 59859 (Plains, 16 miles) and 59867 (Saltese, 16.7 miles).