US location post office
ZIP Code 59636
- Zip Code: 59636
- Type: POBox
- Official USPS city name: Fort Harrison
- Official USPS State Code: MT
- Official State Name: Montana
- ZCTA: TRUE
- Population: 40.0
- Density: 7.9
- Primary Official County Code: 30049
- Primary Official County Name: Lewis and Clark
- Official County Name: Lewis and Clark
- Official County Code: 30049
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Denver (21:05 PM Friday, July 25 2025-07-25 (GMT -0600))
- Geo Point: 46.61972, -112.10993
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