Who Runs Post Offices in Arizona: A Federal Service, Not a State One

Every post office in Arizona is operated by the United States Postal Service (USPS), an independent agency of the federal government. No Arizona state agency licenses, staffs or inspects these counters. The rules come from Title 39 of the U.S. Code and from USPS's own regulations, and the Postal Regulatory Commission reviews rates and service performance. That matters when you have a complaint, because the Arizona Governor's office and the state legislature cannot fix a closed lobby or a missing parcel.

State and county government still touches the mail at several points. County recorders send and receive early ballots. The Arizona Department of Transportation's Motor Vehicle Division mails registration renewals and titles. The Arizona Department of Revenue mails tax notices. All of these items travel through the same local post offices, so a slow office affects more than letters and packages.

Our directory lists 261 post offices across all 15 Arizona counties. The names often follow neighborhoods, stations or landmarks rather than city names. For example, the Cactus Post Office sits at 2901 East Greenway Road in Phoenix, and the Copper Queen Post Office is at 6 Main Street in Bisbee. If you search by the name of your town and find nothing obvious, try the name of your neighborhood or the nearest major road.

Metro Phoenix and Tucson: Dense Networks and Specialized Stations

Most Arizonans live in two urban areas, and the post office network reflects that. Phoenix has 19 listings and Tucson has 16, followed by Mesa, Scottsdale, Glendale, Tempe and Yuma. The Maricopa County network is the largest in the state, and it is built around many mid-sized stations rather than a few big ones.

That spread gives you real choices. Here are some Maricopa County offices from our listings:

The Scottsdale Airpark office serves a business district, so expect shipping traffic from companies as well as individuals. The Tempe Apache Station sits on a corridor that carries many students and light-rail commuters. The Ocotillo and Higley offices sit in fast-growing suburban areas of the East Valley. Offices near employers and campuses tend to be busiest around midday and just before closing. Calling the number listed for the branch you plan to use is the quickest way to confirm hours and whether passport service is offered.

In southern Arizona, Pima County holds 29 of our listings. The South Tucson Post Office at 2420 South 6th Avenue serves the south side of the city, and the Marana Post Office at 13355 North Lon Adams Road serves the growing northwest corridor. Tucson-area residents often have several offices within a short drive, so choosing the one with the shortest line is realistic.

Small Towns, Mining Communities and the High Country

Outside the metros, the post office does more than move mail. In many Arizona towns it is the main federal presence and a community gathering point. Bisbee's Copper Queen Post Office sits on Main Street in a historic mining town in Cochise County. The Morenci Post Office serves a copper-mining community in Greenlee County. The Claypool Post Office, which uses a Miami mailing address in Gila County, serves another place shaped by mining. The Pima Post Office, at 41 East Center Street in Graham County, is in a Gila Valley town that shares its name with the larger county to the south.

Northern and eastern Arizona add a different set of conditions. The White Mountains towns of Show Low, Pinetop-Lakeside and Heber-Overgaard all appear in our listings for Navajo County. These offices see steady seasonal traffic from cabin owners and summer visitors, along with winter weather that can slow delivery on mountain roads. Further west, Prescott, Prescott Valley and Clarkdale anchor the Yavapai County network, while Flagstaff and Sedona do the same in Coconino County. The Sedona Post Office on North State Route 89A handles a large volume of visitor and resort mail for a town of its size.

Rural service works differently from city service. Many small offices have shorter counter hours, sometimes a closed window at midday, and a single clerk. Some addresses have no home delivery at all, so residents rent a PO Box and collect mail in person. Large parts of the Navajo Nation, which covers portions of Apache, Navajo and Coconino counties, lack standard street addresses. Residents there often rely on boxes, and the nearest counter may be a long drive away. If you live in such an area, ask the postmaster which delivery option fits your location before you give an address to an employer, lender or the MVD.

Heat, Winter Residents and Border-Region Traffic

Arizona's climate shapes how people use the mail. In Phoenix and Yuma, summer temperatures regularly pass 100 degrees, and parcels left in a mailbox or on a porch can bake for hours. Medications, cosmetics, candles and electronics are the usual casualties. If you receive such items, ask the sender to use signature service, request pickup at the counter, or have packages held at your local office.

Winter has the opposite effect. Yuma, Mohave County towns such as Bullhead City and many Phoenix-area communities fill with seasonal residents. The Yuma Marine Corps Air Station Post Office at 699 Hart Street (928-343-9416) is a reminder that military mail adds its own volume in Yuma County. The Highway Station Post Office on Highway 95 in Bullhead City serves a river-corridor community that swells in the cooler months. If you leave Arizona for part of the year, USPS offers hold mail and temporary forwarding. Both can be set up online or at any counter, and they save you from a stuffed mailbox, which can signal an empty house.

What to Bring to an Arizona Post Office

A little preparation saves a second trip. Use this short checklist:

For questions the counter cannot answer, USPS customer service is reachable at 1-800-ASK-USPS. For issues unrelated to mail itself, such as ballots, vehicle registration or tax forms, contact the responsible county recorder or state agency directly. Those offices can tell you what they mailed and when.

The listings on this page are a starting point for finding a branch by city and county. The Maricopa County and Pima County pages are the best places to compare many offices at once, while the rural county pages show how few options some communities have. Use the address and phone number in each listing to confirm hours before you travel, especially in places where the nearest alternative is a long drive away.

Post offices in Arizona are part of the national USPS network, operating under regional district management to deliver uniform service standards while accommodating the specific needs of urban, suburban, and rural communities across the state. Larger cities in Arizona may have multiple post offices and main processing facilities.

Post Office locations are available in 184 cities across Arizona. They are spread across 15 counties.

Cities with the highest concentration of post office locations include Phoenix, Tucson, Mesa, reflecting densely populated areas with multiple branch offices serving different neighborhoods and zip codes.

Residents of Arizona can use the USPS website to find the closest post office, check current lobby and window hours, locate self-service kiosks available after hours, and track incoming and outgoing mail and packages from their phones or computers.

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Residents of Arizona can save time by using USPS online tools to schedule package pickups from home, print prepaid shipping labels, and set up mail forwarding or hold requests without visiting a post office. When visiting a post office in Arizona for passport acceptance, call ahead to confirm that the specific location offers the service and whether an appointment is required.

Browse Post Office by county across Arizona to find the nearest location.

Using Your Local Arizona Post Office Well

Arizona is large, and a post office visit can mean a ten-minute drive in Mesa or an hour of driving in the high desert. A few habits make the experience easier wherever you live.

Start by confirming the exact branch. A city like Phoenix has many stations, and the name on a notice may not match the one closest to your home. In the southeast, the Copper Queen office in Cochise County and the offices in Prescott, Prescott Valley and Clarkdale in Yavapai County show how different a small-town stop can be from a Valley branch. Hours, staffing and available services change from one to the next.

Plan around heat and seasons. In summer, go early in the day if you have a long walk from the parking lot, and avoid leaving packages in a vehicle. In winter, mountain communities such as Show Low and Pinetop-Lakeside can have icy roads, so call ahead if conditions look poor. Keep your tracking number and any notice slip, since counters in smaller offices can find held items faster when you have them.

Finally, keep records. A receipt for certified mail, a photo of a damaged parcel, or a copy of a hold request can settle a dispute quickly.

No. Post offices in Arizona belong to the United States Postal Service, a federal agency governed by Title 39 of the U.S. Code. The state has no postal department. Arizona agencies only depend on the mail for their own work, such as county recorders sending ballots or the Motor Vehicle Division mailing notices. For service complaints, start with the local postmaster, then USPS customer service, and escalate through federal channels if the problem continues.

Begin with the county pages for Apache County and Navajo County, which list branches by town and give addresses and phone numbers. Then call the closest office to confirm hours, since small counters may close at midday. Many rural customers use a PO Box because their home has no street delivery. Ask the postmaster about box sizes, fees and whether a rural route serves your road before you give out an address.

Some offices act as passport acceptance facilities, but not all do. The State Department issues the passport, while the post office checks your documents, witnesses your signature and collects an execution fee. Bring proof of citizenship, a photo ID and the completed application. Many branches require appointments, and smaller rural offices may not offer the service. Call the specific branch first, and note that State Department fees are separate from the local execution fee.

Arizona lets registered voters vote early by mail, and your county recorder sends the ballot. Sign the affidavit envelope and return it promptly. The ballot must reach the county by 7 p.m. on Election Day, and a postmark alone does not count. Because mail takes longer from remote areas, send it well ahead of the deadline or use a drop-off option. Check with your county recorder for approved locations, since they vary by county.

Seasonal residents in Yuma County and Mohave County often arrive in late autumn and leave in spring. Use a temporary change of address to forward mail for a set period, or use hold mail when you are away from a home you plan to return to. Both can be arranged online or at the counter. A PO Box is another reliable option, because mail waits safely until you return.

First, check tracking and ask your local post office to look for the item. If mail was stolen, report it to the U.S. Postal Inspection Service, which investigates mail theft, and file a police report with your city or county agency. Keep receipts, photos and tracking numbers for any insurance claim. To reduce risk, mail important items at the counter, collect deliveries promptly and consider Informed Delivery, which previews incoming letters by email.

Most of Arizona stays on Mountain Standard Time all year, but the Navajo Nation observes daylight saving time. During summer, a post office on the Navajo Nation can be an hour ahead of one in a nearby off-reservation town. Check the clock before you drive, especially near the border between Navajo, Apache and Coconino counties. Call the branch to confirm its closing time, and allow extra time on long rural roads.