ZIP Code 98256

98256 is one of Washington's ZIP codes, delivering to addresses in Index, Snohomish County.

City: Index
County: Snohomish County
State: Washington
Prefix: 982xx

Where this code sits

98256 is part of the 982xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Index.

Index Washington ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 98256 delivers to without sharing its boundary.

ZIP codes nearest 98256

The ZIP codes whose reference points sit closest to 98256.
ZIP code	Distance	Delivers to
ZIP code 98251	4.3 mi	Gold Bar, WA
ZIP code 98224	4.4 mi	Baring, WA
ZIP code 98294	9.3 mi	Sultan, WA
ZIP code 98293	11 mi	Startup, WA
ZIP code 98288	12 mi	Skykomish, WA
ZIP code 98272	19 mi	Monroe, WA
ZIP code 98019	19 mi	Duvall, WA
ZIP code 98014	21 mi	Carnation, 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 98256, plotted from its record coordinates.

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

Scope ZIP code 98256. 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.