There are 2 unique ZIP codes in Willcox, Arizona. Area code: 520.
2
ZIP codes
2,206.71
sq mi land
1.88
sq mi water
520
area code
Willcox, AZ ZIP code map
About Willcox, AZ
Willcox is a small city located in Cochise County, Arizona. Known for its rich history and connection to the Old West, Willcox offers a unique blend of cultural heritage and modern convenience. The city serves as a gateway to various outdoor adventures, including hiking and exploring the beautiful Arizona landscape.
Location & geography
Willcox is situated in southeastern Arizona and covers a vast area of 2,206.71 square miles. The city is approximately 65 miles east of Tucson and 40 miles west of the New Mexico border. With a water area of 1.88 square miles, Willcox features a diverse terrain that ranges from high desert plains to rugged mountains.
Community & economy
The character of Willcox is shaped by its friendly residents and a strong sense of community. Agriculture, particularly cattle ranching and crop production, plays a significant role in the local economy along with tourism, as many visitors are drawn to the area’s historical attractions. Daily life in Willcox encompasses a mix of traditional values and modern amenities, catering to both locals and travelers alike.
Transportation
Willcox is accessible via several highways, including Interstate 10, which runs nearby, providing convenient travel routes to both Tucson and beyond. The nearest major airport is Tucson International Airport, located about 65 miles away. Public transit options in the area are limited, but the city is well-connected for road travel.
History
Willcox was founded in the late 19th century and quickly became a vital railroad town, supporting the cattle industry and agriculture in the region. The area has hosted significant events throughout its history, including the establishment of the annual Willcox Cowboy Days, which celebrates the local cowboy culture. Key industries have shifted over the years, but farming and livestock continue to play a prominent role in the economy.
Did you know?
One surprising fact about Willcox is that it is home to the Rex Allen Museum, which honors the life of the famous Western film star and cowboy, Rex Allen. Additionally, the city is known for its annual Chili Cook-Off, attracting enthusiasts from across the state.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for Willcox, AZ?
Willcox, AZ has one ZIP code: 85643.
What is the main ZIP code for Willcox, AZ?
The primary ZIP code for Willcox, AZ is 85643. The city uses area code 520 for phone service.
What county is Willcox, AZ in?
Willcox is located in Cochise County, Arizona.
How many ZIP codes are in Willcox, AZ?
Willcox, AZ has 1 ZIP code.
What is the ZIP code for downtown Willcox and the surrounding historic district?
Downtown Willcox and the historic district are located in ZIP code 85643, which serves as the central business and civic area of this Cochise County city.
What ZIP code should I use for mailing packages to businesses near the Willcox Commercial area?
All commercial businesses and residential addresses in Willcox, including those in the commercial district, use ZIP code 85643.
Need the complete Arizona ZIP code database?Download all AZ ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.