ZIP Code 97865

97865 is one of Oregon's ZIP codes, delivering to addresses in Mount Vernon, Grant County.

City: Mount Vernon
County: Grant County
State: Oregon
Prefix: 978xx

Where this code sits

97865 is part of the 978xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Vernon.

Mount Vernon Oregon ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 97865 delivers to without sharing its boundary.

ZIP codes nearest 97865

The ZIP codes whose reference points sit closest to 97865.
ZIP code	Distance	Delivers to
ZIP code 97845	7.9 mi	John Day, OR
ZIP code 97820	8.4 mi	Canyon City, OR
ZIP code 97873	21 mi	Seneca, OR
ZIP code 97869	21 mi	Prairie City, OR
ZIP code 97825	21 mi	Dayville, OR
ZIP code 97856	23 mi	Long Creek, OR
ZIP code 97817	31 mi	Bates, OR
ZIP code 97864	32 mi	Monument, OR

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 97865, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 97865. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.