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/AZ/WILLIAMSON

Williamson ZIP codes, Arizona

No ZIP code is named for Williamson, AZ; addresses there use a neighbouring town's name. 2 ZIP codes cover it: 86305 and 86323. Its area code is 928.

USPS city name
0 ZIP codes
Overlapping the city
2 more
Population
6,310
Area code
928
State
Arizona

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

Williamson in numbers

About 6,310 people live in Williamson, in 3,006 households. The median household income is $89,398 a year, 12% above the Arizona median of $79,964 (US: $80,734). The median owner-occupied home is valued at $732,300 (86% above the Arizona median), and median gross rent is $1,142 a month. The median age is 66.0; 48.8% of adults 25 and over hold a bachelor's degree or higher (33.3% across Arizona); the average commute takes 28 minutes.

Population6,310Williamson6,310
Households3,006Williamson3,006
Median age66.0Williamson66.0Arizona39.0US 38.9
Median household income$89,398Williamson$89,398Arizona$79,964US $80,734
Median home value$732,300Williamson$732,300Arizona$394,500US $332,700
Median gross rent$1,142Williamson$1,142Arizona$1,543US $1,413
Bachelor's degree or higher48.8%Williamson48.8%Arizona33.3%US 35.7%
Mean commute27.9 minWilliamson27.9 minArizona25.4 minUS 26.4 min
Population density109 / sq miWilliamson109 / sq mi

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

ZIP codes covering Williamson

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

ZIP codes overlapping Williamson
ZIP City Type Population Median income Median home
86305 Prescott , AZ Standard 19,790 $80,436 $655,600
86323 Chino Valley , AZ Standard 19,666 $62,603 $380,700

Map of Williamson ZIP codes

8630586323

The ZIP codes of Williamson, AZ, 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 Williamson

The nearest larger towns are Chino Valley (13,602 people, 7.6 mi), Prescott (47,400 people, 9.4 mi) and Prescott Valley (49,179 people, 14 mi).

Towns near Williamson
TownPopulationDistance
Chino Valley 13,602 7.6 mi
Prescott 47,400 9.4 mi
Paulden 4,795 12.7 mi
Prescott Valley 49,179 14.4 mi
Dewey-Humboldt 4,501 20.9 mi
Clarkdale 4,758 27.1 mi

More nearby: every ZIP code in Yavapai County · Arizona ZIP codes

Cite this page

zipcodes.pro. “Williamson, AZ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/az/williamson

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