ZIP Code 97758

97758 is one of Oregon's ZIP codes, delivering to addresses in Riley, Harney County.

City: Riley
County: Harney County
State: Oregon
Prefix: 977xx

Where this code sits

97758 is part of the 977xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Riley.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 97758 delivers to without sharing its boundary.

ZIP codes nearest 97758

The ZIP codes whose reference points sit closest to 97758.
ZIP code	Distance	Delivers to
ZIP code 97641	40 mi	Christmas Valley, OR
ZIP code 97712	40 mi	Brothers, OR
ZIP code 97738	42 mi	Hines, OR
ZIP code 97720	43 mi	Burns, OR
ZIP code 97721	48 mi	Princeton, OR
ZIP code 97752	52 mi	Post, OR
ZIP code 97640	55 mi	Summer Lake, OR
ZIP code 97751	57 mi	Paulina, 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 97758, plotted from its record coordinates.

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

Scope ZIP code 97758. 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.