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/WILLCOX

Willcox ZIP codes, Arizona

Willcox, AZ has 2 ZIP codes (85643 and 85644) and area code 520. The largest is 85643.

USPS city name
2 ZIP codes
Population
3,222
Area code
520
State
Arizona

Willcox in numbers

About 3,222 people live in Willcox, in 1,204 households. The median household income is $43,929 a year, 45% below the Arizona median of $79,964 (US: $80,734). The median owner-occupied home is valued at $158,500 (60% below the Arizona median), and median gross rent is $1,024 a month. The median age is 41.8; 12.3% of adults 25 and over hold a bachelor's degree or higher (33.3% across Arizona); the average commute takes 16 minutes.

Population3,222Willcox3,222
Households1,204Willcox1,204
Median age41.8Willcox41.8Arizona39.0US 38.9
Median household income$43,929Willcox$43,929Arizona$79,964US $80,734
Median home value$158,500Willcox$158,500Arizona$394,500US $332,700
Median gross rent$1,024Willcox$1,024Arizona$1,543US $1,413
Bachelor's degree or higher12.3%Willcox12.3%Arizona33.3%US 35.7%
Mean commute15.8 minWillcox15.8 minArizona25.4 minUS 26.4 min
Population density486 / sq miWillcox486 / sq mi

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

ZIP codes addressed as Willcox

ZIP codes with the USPS city name Willcox
ZIP City Type Population Median income Median home
85643 Willcox , AZ Standard 8,476 $57,903 $173,900
85644 Willcox , AZ No street area — — —

Map of Willcox ZIP codes

The ZIP codes of Willcox, 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 Willcox

The nearest larger towns are Benson (5,417 people, 37 mi), Thatcher (5,439 people, 39 mi) and Safford (10,239 people, 41 mi).

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

Cite this page

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

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