Mattawa ZIP Codes

List of Zip Codes of Mattawa

The following table lists ZIP Codes associated with Mattawa, Washington, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 99349 46.73078 -119.6996 Grant 8,098 11.7


About Mattawa Washington Zip Codes

The city of Mattawa in Washington (WA) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 8,098 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with Mattawa fall within county jurisdictions such as Grant. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for Mattawa, Washington follow the America/Los_Angeles time zone.