ZIP Code 99105

99105 is one of Washington's ZIP codes, delivering to addresses in Benge, Adams County.

City: Benge
County: Adams County
State: Washington
Prefix: 991xx

Where this code sits

99105 is part of the 991xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Benge.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 99105 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 99105

The ZIP codes whose reference points sit closest to 99105.
ZIP code	Distance	Delivers to
ZIP code 99371	6.5 mi	Washtucna, WA
ZIP code 99333	7.3 mi	Hooper, WA
ZIP code 99136	15 mi	Hay, WA
ZIP code 99143	19 mi	Lacrosse, WA
ZIP code 99125	21 mi	Endicott, WA
ZIP code 99335	22 mi	Kahlotus, WA
ZIP code 99169	22 mi	Ritzville, WA
ZIP code 99359	24 mi	Starbuck, WA

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 99105, plotted from its record coordinates.

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

Scope ZIP code 99105. 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.