ZIP Code 98944

98944 is one of Washington's ZIP codes, delivering to addresses in Sunnyside, Yakima County.

City: Sunnyside
County: Yakima County
State: Washington
Prefix: 989xx

Where this code sits

98944 is part of the 989xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sunnyside.

Sunnyside Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98944 delivers to without sharing its boundary.

509 Area code 509

ZIP codes nearest 98944

The ZIP codes whose reference points sit closest to 98944.
ZIP code	Distance	Delivers to
ZIP code 98938	4.6 mi	Outlook, WA
ZIP code 98930	6.6 mi	Grandview, WA
ZIP code 98935	7.5 mi	Mabton, WA
ZIP code 98932	8.3 mi	Granger, WA
ZIP code 99350	13 mi	Prosser, WA
ZIP code 98953	14 mi	Zillah, WA
ZIP code 98948	16 mi	Toppenish, WA
ZIP code 98921	16 mi	Buena, 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 98944, plotted from its record coordinates.

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

Scope ZIP code 98944. 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.