Bainbridge Island Washington ZIP Codes

Bainbridge Island holds a single ZIP code.

Every ZIP code in Bainbridge Island

The complete list of Bainbridge Island, Washington ZIP codes with the county each falls in.
ZIP code	County
98110	Kitsap County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Bainbridge Island codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Bainbridge Island. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Bainbridge Island ZIP code begins 981. Those first three digits identify the sectional center facility that processes mail for this part of Washington. Statewide that range covers 60 ZIP codes, so Bainbridge Island accounts for 2% of it.

Every Washington ZIP prefix and the region it covers →

Area codes covering Bainbridge Island

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Bainbridge Island occupies.

Bainbridge Island Washington area codes in full →

Where Bainbridge Island's ZIP codes sit

Each point is one Bainbridge Island ZIP code, plotted from its record coordinates.

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

Cities near Bainbridge Island

The closest places to Bainbridge Island with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Seattle Washington ZIP codes	7.4 mi	59 ZIP codes
Port Orchard Washington ZIP codes	9.2 mi	2 ZIP codes
Poulsbo Washington ZIP codes	9.2 mi	1 ZIP code
Bremerton Washington ZIP codes	12 mi	5 ZIP codes
Medina Washington ZIP codes	12 mi	1 ZIP code
Edmonds Washington ZIP codes	14 mi	2 ZIP codes
Mercer Island Washington ZIP codes	14 mi	1 ZIP code
Mountlake Terrace Washington ZIP codes	14 mi	1 ZIP code

Straight-line distance between place reference points, not driving distance.