ZIP Code 97721

97721 is one of Oregon's ZIP codes, delivering to addresses in Princeton, Harney County.

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

Where this code sits

97721 is part of the 977xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Princeton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 97721 delivers to without sharing its boundary.

ZIP codes nearest 97721

The ZIP codes whose reference points sit closest to 97721.
ZIP code	Distance	Delivers to
ZIP code 97722	20 mi	Diamond, OR
ZIP code 97736	21 mi	Frenchglen, OR
ZIP code 97720	34 mi	Burns, OR
ZIP code 97738	37 mi	Hines, OR
ZIP code 97732	41 mi	Crane, OR
ZIP code 97758	48 mi	Riley, OR
ZIP code 97637	55 mi	Plush, OR
ZIP code 97917	59 mi	Riverside, 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 97721, plotted from its record coordinates.

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

Scope ZIP code 97721. 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.