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/UT/WASHINGTON

Washington ZIP code, Utah

The ZIP code for Washington, UT is 84780, and its area code is 435.

USPS city name
1 ZIP code
Overlapping the city
2 more
Population
32,348
Area code
435
State
Utah

NANPA lists no telephone rate centre for Washington itself, so these are the area codes of the nearest one, Saint George (6.4 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Washington uses the ZIP code above. 2 more ZIP codes cover part of the city but are addressed as somewhere else; they are listed separately below.

Washington in numbers

About 32,348 people live in Washington, in 11,501 households, the 35th-largest of Utah's 325 census places. The median household income is $91,853 a year, 3% below the Utah median of $95,166 (US: $80,734). The median owner-occupied home is valued at $570,400 (17% above the Utah median), and median gross rent is $1,614 a month. The median age is 38.5; 35.8% of adults 25 and over hold a bachelor's degree or higher (37.7% across Utah); the average commute takes 18 minutes.

Population32,348Washington32,348
Households11,501Washington11,501
Median age38.5Washington38.5Utah32.0US 38.9
Median household income$91,853Washington$91,853Utah$95,166US $80,734
Median home value$570,400Washington$570,400Utah$489,400US $332,700
Median gross rent$1,614Washington$1,614Utah$1,496US $1,413
Bachelor's degree or higher35.8%Washington35.8%Utah37.7%US 35.7%
Mean commute18.2 minWashington18.2 minUtah22.1 minUS 26.4 min
Population density895 / sq miWashington895 / sq mi

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

ZIP codes addressed as Washington

ZIP codes with the USPS city name Washington
ZIP City Type Population Median income Median home
84780 Washington , UT Standard 32,366 $91,963 $570,800

Other ZIP codes overlapping Washington

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

ZIP codes overlapping Washington
ZIP City Type Population Median income Median home
84737 Hurricane , UT Standard 24,359 $75,545 $460,400
84790 Saint George , UT Standard 55,892 $91,054 $552,700

Map of Washington ZIP codes

84780

The ZIP codes of Washington, UT, 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 Washington

The nearest larger towns are St. George (101,995 people, 6.0 mi) and Cedar City (38,524 people, 44 mi).

Towns near Washington
TownPopulationDistance
St. George 101,995 6.0 mi
Hurricane 22,771 7.3 mi
Santa Clara 8,152 9.3 mi
Ivins 9,998 11.1 mi
La Verkin 4,476 14.9 mi
Colorado City, AZ 2,702 29.7 mi

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

Cite this page

zipcodes.pro. “Washington, UT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ut/washington

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