Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/WA/WEST-PASCO

West Pasco ZIP codes, Washington

No ZIP code is named for West Pasco, WA; addresses there use a neighbouring town's name. The ZIP code covering it is 99301. Its area code is 509.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,122
Area code
509

NANPA lists no telephone rate centre for West Pasco itself, so these are the area codes of the nearest one, Pasco (0.0 miles). A town on an area-code boundary can differ from its neighbour.

West Pasco in numbers

About 1,122 people live in West Pasco, in 405 households. The median household income is $120,341 a year, 23% above the Washington median of $98,141 (US: $80,734). The median owner-occupied home is valued at $470,100 (17% below the Washington median). The median age is 49.0; 26.9% of adults 25 and over hold a bachelor's degree or higher (39.6% across Washington); the average commute takes 21 minutes.

Population1,122West Pasco1,122
Households405West Pasco405
Median age49.0West Pasco49.0Washington38.3US 38.9
Median household income$120,341West Pasco$120,341Washington$98,141US $80,734
Median home value$470,100West Pasco$470,100Washington$564,600US $332,700
Bachelor's degree or higher26.9%West Pasco26.9%Washington39.6%US 35.7%
Mean commute20.9 minWest Pasco20.9 minWashington26.6 minUS 26.4 min
Population density767 / sq miWest Pasco767 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place West Pasco CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering West Pasco

These ZIP codes cover part of West Pasco but are addressed as somewhere else.

ZIP codes overlapping West Pasco
ZIP City Type Population Median income Median home
99301 Pasco , WA Standard 87,044 $87,951 $385,500

Map of West Pasco ZIP codes

99301

The ZIP codes of West Pasco, WA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near West Pasco

The nearest larger towns are Pasco (79,575 people, 3.0 mi), Kennewick (85,295 people, 3.9 mi) and Richland (62,753 people, 5.8 mi).

Towns near West Pasco
TownPopulationDistance
Pasco 79,575 3.0 mi
Kennewick 85,295 3.9 mi
Richland 62,753 5.8 mi
Finley 5,634 8.8 mi
Burbank 3,589 10.3 mi
West Richland 17,586 10.6 mi
Benton City 3,695 14.2 mi
Umatilla, OR 7,508 24.3 mi
Prosser 6,305 28.1 mi
Hermiston, OR 19,546 29.5 mi

More nearby: every ZIP code in Franklin County · Washington ZIP codes

Cite this page

zipcodes.pro. “West Pasco, WA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/wa/west-pasco

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