Ilwaco Washington ZIP Codes
Ilwaco holds a single ZIP code.
Every ZIP code in Ilwaco
| ZIP code | County |
|---|---|
| 98624 | Pacific 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Ilwaco codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Ilwaco. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Ilwaco ZIP code begins 986. Those first three digits identify the sectional center facility that processes mail for this part of Washington. Statewide that range covers 62 ZIP codes, so Ilwaco accounts for 2% of it.
Every Washington ZIP prefix and the region it covers →
Area codes covering Ilwaco
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 Ilwaco occupies.
Ilwaco Washington area codes in full →
Where Ilwaco's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Ilwaco
| City | Distance | ZIP codes |
|---|---|---|
| Long Beach Washington ZIP codes | 3.7 mi | 1 ZIP code |
| South Bend Washington ZIP codes | 27 mi | 1 ZIP code |
| Raymond Washington ZIP codes | 29 mi | 1 ZIP code |
| Cathlamet Washington ZIP codes | 32 mi | 1 ZIP code |
| Pe Ell Washington ZIP codes | 39 mi | 1 ZIP code |
| Westport Washington ZIP codes | 40 mi | 1 ZIP code |
| Ocean Shores Washington ZIP codes | 46 mi | 1 ZIP code |
| Cosmopolis Washington ZIP codes | 46 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.