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ZIP Code 59025 — Decker, MT

59025 is a standard (street delivery) ZIP code serving Decker, Montana, in Big Horn County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.

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ZIP code 59025 at a glance

ZIP code59025
Primary cityDecker
StateMontana (MT)
CountyBig Horn FIPS 30003
ZIP typeStandard (street delivery)
Time zoneAmerica/Denver
Population53
Coordinates45.095030, -106.717800

How ZIP+4 works in 59025

The four digits after the hyphen encode a delivery segment inside 59025. In practice one segment usually means:

That is why 59025 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.

Nearby ZIP codes

Showing the closest twelve. See every ZIP code within 25 miles of 59025.

ZIPCityDistance
59012 Birney, MT 15.2 mi
82801 Sheridan, WY 19.8 mi
82845 Wyarno, WY 22.8 mi
82839 Ranchester, WY 24.3 mi
59016 Busby, MT 24.8 mi
59062 Otter, MT 25.2 mi
82835 Clearmont, WY 28.8 mi
59043 Lame Deer, MT 30.3 mi
82844 Wolf, WY 30.9 mi
82837 Leiter, WY 33.2 mi
59003 Ashland, MT 36.7 mi
82833 Big Horn, WY 38.7 mi

Questions about 59025

What is the ZIP+4 code for 59025?

59025 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 59025, you need to look up a specific street address to get them.

What city is 59025?

59025 is assigned to Decker, Montana, in Big Horn County.

Do I need to use the ZIP+4?

It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.

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Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.

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