Columbia Postcodes & ZIP Codes

Discover all postcodes in Columbia, Washington, United States. Browse cities, disctricts and locations to find accurate postcode information for this region.

Postal Codes Without State

D
Dayton
99328
S
Starbuck
99359
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Region information
Population 39,272
Latitude 46.31
Longtitude -117.974
Timezone America/New_York
Total Postcodes 2