ZIP Code 97877

97877 is one of Oregon's ZIP codes, delivering to addresses in Sumpter, Baker County.

City: Sumpter
County: Baker County
State: Oregon
Prefix: 978xx

Where this code sits

97877 is part of the 978xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sumpter.

Sumpter Oregon ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 97877 delivers to without sharing its boundary.

ZIP codes nearest 97877

The ZIP codes whose reference points sit closest to 97877.
ZIP code	Distance	Delivers to
ZIP code 97833	14 mi	Haines, OR
ZIP code 97837	17 mi	Hereford, OR
ZIP code 97814	18 mi	Baker City, OR
ZIP code 97884	21 mi	Unity, OR
ZIP code 97817	22 mi	Bates, OR
ZIP code 97867	24 mi	North Powder, OR
ZIP code 97819	28 mi	Bridgeport, OR
ZIP code 97869	31 mi	Prairie City, 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 97877, plotted from its record coordinates.

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

Scope ZIP code 97877. 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.