| City: | Fenn, Idaho |
| City Alias: | Grangeville |
| County: | Idaho County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 9:10:11 AM |
| Population: | No Population Data |
| Area Codes: | 208 / 986 |
| Classification: | PO Box |
| Coordinates: | 45.9636, -116.2556 |
| Quick Link: |
The ZIP's classification as a P-type postal facility doesn't mean residents lack alternatives. Fenn's position within the larger Grangeville postal area provides context: Grangeville (ZIP 83530) is listed as an acceptable city name for 83531, and the spatial data shows Fenn is geographically enclosed within that neighboring ZIP code. This arrangement is common in rural Idaho, where a small post office serves a specific cluster of rural boxes while street delivery radiates from a nearby hub.
With only Elliot Street appearing in the delivery data, this represents a minimal street delivery footprint typical of very small rural post offices.
ZIP Code 83531 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 50Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 83531 is located in Idaho County, Idaho, within the Metropolitan Statistical Area (CBSA ) and Idaho's 1st Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 83531. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 39418.02 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 83531 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.