Harrington Washington ZIP Codes
Harrington holds a single ZIP code.
Every ZIP code in Harrington
| ZIP code | County |
|---|---|
| 99134 | Lincoln 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Harrington codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Harrington. 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 Harrington ZIP code begins 991. Those first three digits identify the sectional center facility that processes mail for this part of Washington. Statewide that range covers 67 ZIP codes, so Harrington accounts for 1% of it.
Every Washington ZIP prefix and the region it covers →
Area codes covering Harrington
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Harrington occupies.
Harrington Washington area codes in full →
Where Harrington's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Harrington
| City | Distance | ZIP codes |
|---|---|---|
| Davenport Washington ZIP codes | 13 mi | 1 ZIP code |
| Sprague Washington ZIP codes | 18 mi | 1 ZIP code |
| Reardan Washington ZIP codes | 22 mi | 1 ZIP code |
| Odessa Washington ZIP codes | 23 mi | 1 ZIP code |
| Creston Washington ZIP codes | 23 mi | 1 ZIP code |
| Ritzville Washington ZIP codes | 25 mi | 1 ZIP code |
| Lamont Washington ZIP codes | 25 mi | 1 ZIP code |
| Medical Lake Washington ZIP codes | 27 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.