ZIP Codes in Arizona
Arizona's ZIP codes cover a state defined by contrast - one of the fastest-growing major metro areas in the country around Phoenix, set against vast stretches of desert, national forest, and tribal land that remain among the most sparsely populated territory in the lower 48. With over 7 million residents concentrated heavily in just two counties, Arizona's postal geography is lopsided in a way that's useful to understand before diving into the ZIP code list.
How ZIP Codes Are Organized Across the State
Arizona's ZIP codes fall within the 85000–86999 range under the USPS system. Phoenix and the surrounding Maricopa County area, by far the state's population center, occupy the lower end around 850xx–853xx. Tucson and Pima County sit near 857xx, while the northern part of the state - including Flagstaff and the Grand Canyon region - carries codes closer to 860xx, reflecting the higher elevation and cooler climate that separates northern Arizona from the desert basin further south.
Arizona's Major Metro Areas by Population
The chart below shows just how dominant the Phoenix metro area is within Arizona's overall population, dwarfing every other city in the state combined.
Phoenix and its surrounding suburbs - Mesa, Chandler, Scottsdale, and Tempe among them - form one of the largest and fastest-growing metro areas in the country, and their ZIP codes reflect near-constant new construction and shifting boundaries as the valley continues to expand outward. Tucson, roughly two hours south, has a slower growth pattern and a somewhat lower cost of living, with ZIP codes covering both the university-driven city core and surrounding desert suburbs. For a broader national comparison, our full US ZIP code directory shows how Arizona's ranges sit alongside every other state.
Northern Arizona and the High Country
Flagstaff and the surrounding high country sit at over 6,000 feet of elevation, giving northern Arizona a genuinely different climate from the desert basin further south - snow in winter is normal here, unlike in Phoenix. ZIP codes in this region also cover the Grand Canyon and the surrounding national forest land, much of which has very low year-round population despite heavy seasonal tourist traffic. This part of the state borders Utah, and the terrain on both sides of that line shares a similar high-desert, canyon-carved landscape.
Tribal Lands and Rural Arizona
Arizona is home to 22 federally recognized tribes, and a significant portion of the state's land area - including the Navajo Nation in the northeast, one of the largest reservations in the country - falls under tribal jurisdiction. ZIP codes covering these areas often serve large geographic regions with relatively small, dispersed populations, and postal infrastructure here can look quite different from the dense suburban grid found around Phoenix.
Why ZIP Codes Matter Beyond Mail
In a state growing as quickly as Arizona, ZIP codes have taken on real importance well beyond mail delivery. Real estate listings across the Phoenix valley rely heavily on ZIP code boundaries to signal school district and neighborhood character, especially given how quickly new suburbs are built. Insurance companies use desert ZIP codes to assess wildfire and extreme heat risk. And businesses expanding into the Phoenix or Tucson markets often use ZIP-level data to plan store locations and delivery routes.
Border Regions and Neighboring States
Arizona shares borders with four US states and Mexico, and its ZIP code patterns shift with each. To the west, communities near California around the Colorado River share a similarly hot, sparsely populated desert geography. To the north, the border with Utah cuts through canyon country, while to the east, rural ZIP codes near New Mexico reflect a comparable mix of high desert and tribal land. Along the southern border, cities like Nogales carry ZIP codes shaped heavily by cross-border trade with Mexico.
Finding the Right ZIP Code
Use the list below to browse Arizona's ZIP codes by city, county, or population - sorted so the most populous areas surface first. Each entry links through to a detailed page with additional demographic data. If you're trying to identify the ZIP code for a specific address rather than browsing by city, the search tool at the top of this page will get you there faster than scrolling through the full list.
Frequently Asked Questions
How many ZIP codes does Arizona have?
Arizona has several hundred ZIP codes, heavily concentrated around the Phoenix and Tucson metro areas, with far fewer covering the state's large rural and tribal lands.
What ZIP code range does Arizona use?
Arizona ZIP codes generally fall between 85000 and 86999, with Phoenix toward the lower end and northern Arizona, including Flagstaff, further along the range.
Which Arizona city has the most ZIP codes?
Phoenix and its surrounding valley suburbs account for the largest number of individual ZIP codes, reflecting the metro area's size and rapid growth.
Can I look up an Arizona ZIP code by city name?
Yes, use the search tool on this page or browse the full list below, which is organized by city and sorted by population.
Whether you're relocating to the fast-growing Phoenix valley, researching property in Tucson, or simply trying to pin down the right ZIP code for a specific Arizona address, the data below covers every corner of the state - from its biggest cities to its high country and tribal lands.