ZIP Code 99328
Dayton, Washington
ZIP Code Information
| ZIP Code | 99328 |
|---|---|
| City | Dayton |
| State | Washington (WA) |
| County | Columbia |
| Timezone |
America/Los_Angeles (UTC-7)
Details
|
| Area Codes (state) | 206, 253, 360, 425, 509 Details |
| Population | 3,683 Details |
| Median Household Income | $41,169 Demographics |
Population and income figures: US Census Bureau, 2012–2016 ACS 5-year estimates.
ZIP code 99328 is the delivery code the USPS assigns to Dayton, Washington. The ZIP lies within Columbia County. Clocks here follow the America/Los_Angeles time zone (UTC-7).
About 3,683 people live in this ZIP code, and the median household income is roughly $41,169 a year. Figures come from the U.S. Census Bureau American Community Survey and are refreshed as new five-year estimates are released.
What you can do with ZIP code 99328
- Write a mailing address: Dayton, WA 99328. The ZIP goes last, after the state abbreviation.
- Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
- Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
- Compare the ZIP with neighbouring codes to see how population and income shift block by block.
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Frequently Asked Questions
ZIP code 99328 is located in Dayton, Washington.
ZIP code 99328 is in Columbia county, Washington.
ZIP code 99328 is in the America/Los_Angeles timezone.