Sammamish Washington ZIP Codes
Sammamish holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Sammamish
| ZIP code | County |
|---|---|
| 98074 | King County |
| 98075 | King 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sammamish codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Sammamish. 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 Sammamish ZIP code begins 980. Those first three digits identify the sectional center facility that processes mail for this part of Washington. Statewide that range covers 71 ZIP codes, so Sammamish accounts for 3% of it.
Every Washington ZIP prefix and the region it covers →
Area codes covering Sammamish
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 Sammamish occupies.
Sammamish Washington area codes in full →
Where Sammamish's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Sammamish
| City | Distance | ZIP codes |
|---|---|---|
| Issaquah Washington ZIP codes | 3.5 mi | 2 ZIP codes |
| Bellevue Washington ZIP codes | 5.5 mi | 7 ZIP codes |
| Redmond Washington ZIP codes | 6.8 mi | 3 ZIP codes |
| Carnation Washington ZIP codes | 7.3 mi | 1 ZIP code |
| Snoqualmie Washington ZIP codes | 8.6 mi | 1 ZIP code |
| Mercer Island Washington ZIP codes | 9.2 mi | 1 ZIP code |
| Medina Washington ZIP codes | 9.8 mi | 1 ZIP code |
| Duvall Washington ZIP codes | 10 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.