Republic Washington ZIP Codes
Republic holds a single ZIP code.
Every ZIP code in Republic
| ZIP code | County |
|---|---|
| 99166 | Ferry 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Republic codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Republic. 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 Republic 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 Republic accounts for 1% of it.
Every Washington ZIP prefix and the region it covers →
Area codes covering Republic
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 Republic occupies.
Republic Washington area codes in full →
Where Republic's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Republic
| City | Distance | ZIP codes |
|---|---|---|
| Marcus Washington ZIP codes | 31 mi | 1 ZIP code |
| Kettle Falls Washington ZIP codes | 31 mi | 1 ZIP code |
| Tonasket Washington ZIP codes | 33 mi | 1 ZIP code |
| Nespelem Washington ZIP codes | 35 mi | 1 ZIP code |
| Riverside Washington ZIP codes | 37 mi | 1 ZIP code |
| Oroville Washington ZIP codes | 38 mi | 1 ZIP code |
| Colville Washington ZIP codes | 39 mi | 1 ZIP code |
| Omak Washington ZIP codes | 40 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.