Find the last 4 digits (ZIP+4) for an address in 99350

ZIP 99350, Prosser, WA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 99350 – Prosser, WA

Prosser, Washington · Benton County · Pacific time

ZIP code99350
CityProsser
StateWashington
CountyBenton CountyKlickitat CountyYakima County
Population14,837
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area600.07 sq mi
Center (lat, long)46.1425, -119.7368

Area codes in this area

509

These are the area codes that most often serve ZIP 99350 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

98930 Grandview · 11.5 mi99345 Paterson · 14.9 mi98935 Mabton · 16.1 mi99320 Benton City · 16.7 mi97844 Irrigon · 20 mi99353 West Richland · 20.4 mi99346 Plymouth · 22.1 mi99338 Kennewick · 22.2 mi

About ZIP 99350

ZIP code 99350 is assigned to Prosser, Washington. It crosses 3 counties; most of its land is in Benton County. Its Census area covers about 600.07 square miles of land. The closest neighboring ZIP is 98930 (Grandview), about 11.5 miles away.

Every address in 99350 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources