Home› ZIP Codes› Washington› 99328

ZIP Code 99328

Dayton, Washington, United States

Standard ZIP Pacific Time (PT)
3,646
Population
2.1
Per sq mile
Columbia
County

About ZIP Code 99328

ZIP code 99328 is assigned to Dayton, Columbia County, Washington, United States. It falls in the Pacific Time (PT) zone. The estimated population of this ZIP code area is 3,646 with a density of 2.1 people per square mile.

🔍 Looking for another ZIP code? Browse all US ZIP codes →

Location Details

ZIP Code99328
CityDayton
CountyColumbia County
StateWashington
CountryUnited States
TimezonePacific Time (PT)
Timezone IDAmerica/Los_Angeles
Latitude46.2694
Longitude-117.8796
ZIP TypeStandard ZIP

Post Office

Address202 S 2ND ST
CityDAYTON
StateWA

Nearby ZIP Codes in Washington

99361
Waitsburg
99329
Dixie
99347
Pomeroy
99136
Hay
99143
Lacrosse
99359
Starbuck

Frequently Asked Questions

What city is ZIP code 99328 in?

ZIP code 99328 is in Dayton, Columbia County, Washington, United States.

What county is ZIP code 99328 in?

ZIP code 99328 is in Columbia County, Washington.

What timezone is ZIP code 99328 in?

ZIP code 99328 is in the Pacific Time (PT) zone (America/Los_Angeles).

What is the population of ZIP code 99328?

The estimated population of ZIP code 99328 is 3,646 people with a density of 2.1 people per square mile.

What state is ZIP code 99328 in?

ZIP code 99328 is in Washington (WA), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.