Postal reference / United States

59858Philipsburg, Montana

ZIP code 59858 is a United States postal code for Philipsburg, Montana. Its county association is Granite County. The map reference point is at 46.3189, -113.3126.

State / territory
Montana
Recorded place name
Philipsburg
County association
Granite
Estimated coordinate
46.3189, -113.3126
View on OpenStreetMap
ZIP prefix
598 · 53 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
880.165 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Montana

Browse the other 403 ZIP codes recorded for Montana, sorted by code with place and county.

Montana directory

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
59837HallMTGranite18.9
59711AnacondaMTDeer Lodge20.8
59832DrummondMTGranite24.1
59733Gold CreekMTPowell24.8
59756Warm SpringsMTDeer Lodge27.0
59722Deer LodgeMTPowell27.4
59731GarrisonMTPowell31.9
59750ButteMTSilver Bow35.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup