Sumner Washington ZIP Codes
Sumner holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Sumner
| ZIP code | County |
|---|---|
| 98352 | Pierce County |
| 98390 | Pierce 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sumner codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Sumner. 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 Sumner ZIP code begins 983. Those first three digits identify the sectional center facility that processes mail for this part of Washington. Statewide that range covers 81 ZIP codes, so Sumner accounts for 2% of it.
Every Washington ZIP prefix and the region it covers →
Area codes covering Sumner
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 Sumner occupies.
Sumner Washington area codes in full →
Where Sumner's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Sumner
| City | Distance | ZIP codes |
|---|---|---|
| Pacific Washington ZIP codes | 2.5 mi | 1 ZIP code |
| Bonney Lake Washington ZIP codes | 3.9 mi | 1 ZIP code |
| Milton Washington ZIP codes | 4.2 mi | 1 ZIP code |
| Puyallup Washington ZIP codes | 4.2 mi | 5 ZIP codes |
| Auburn Washington ZIP codes | 5.4 mi | 4 ZIP codes |
| Federal Way Washington ZIP codes | 7.5 mi | 4 ZIP codes |
| Orting Washington ZIP codes | 9.1 mi | 1 ZIP code |
| South Prairie Washington ZIP codes | 9.1 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.