ZIP code · Royal City · Washington · United States
ZIP code 99357 — Royal City
ZIP code 99357 serves Royal City, Washington.
- Postal code
- 99357Single source Value from one source, not cross-checked.
- City
- Royal City
- County
- Grant
- State
- Washington
- Country
- United States
- Coordinates
- 46.9156, -119.5815 — precision precise (locality)
View on OpenStreetMap - Population
- 3,550 (ZCTA, ACS 5-year)
- Median household income
- $69,120
- Median age
- 27.6
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page