How to Get Mail Without an Address in Phoenix: Free Mailing Addresses and General Delivery

By Common Ladder · September 6, 2026 · 6 min read

Almost every door out of homelessness asks for an address first. A replacement state ID gets mailed to you. So does an AHCCCS card, a SNAP approval letter, a Social Security award, a birth certificate, a housing voucher packet, and the letter from an employer who wants to hire you. Without somewhere for that mail to land, the paperwork you are working on quietly fails — it goes out, comes back undeliverable, and you never learn it was sent.

Maricopa County has real answers to this, and they are free. Here is where to get a mailing address you can actually use, and how the post office option works when you would rather not go through an agency.

Key Campus mailroom — the biggest one, open around the clock

The mailroom on the Key Campus in downtown Phoenix (the campus formerly known as the Human Services Campus, now operated by Keys to Change) describes itself as the only dedicated post office in the country built for people experiencing homelessness. It handled roughly 84,000 pieces of mail last year — replacement IDs, benefits awards, letters from family. Clients use the address to apply for housing, jobs, and benefits.

• Brian Garcia Welcome Center, Key Campus — 204 S. 12th Ave., Phoenix, AZ 85007
• 602-883-4509 (Brian Garcia Welcome Center, 206 S. 12th Ave.)
• The Welcome Center is open 24 hours a day, 7 days a week. Start there and ask for mail services.
• Walk-in. No referral needed to be seen at the Welcome Center.

The same campus is where you will find the Homeless ID Project, DES for AHCCCS and SNAP, Circle the City medical care, and Coordinated Entry — so a trip for mail is rarely only a trip for mail.

Justa Center — if you are 55 or older

Justa Center is a few blocks from the Key Campus and serves only adults 55 and older. Mail service is one of its core resources, alongside a fireproof safe for your original documents and a computer lab with a printer — a useful combination when you are assembling an application.

• Justa Center — 1001 W. Jefferson St., Phoenix, AZ 85007
• (602) 254-6524
• Open every day, 7:00 a.m.–2:30 p.m. (June through October, hours extend to 7:30 p.m.)
• Intake is required first, in person, daily between 7 and 9 a.m. Arriving around 6:30 a.m. is suggested — it is first come, first served, with a maximum of six intakes a day. No intakes by phone, and none on holidays.

Paz de Cristo — the East Valley option

If you are in Mesa, Tempe, Chandler, or Gilbert, you do not have to travel downtown. Paz de Cristo runs a USPS-approved mailroom specifically so East Valley guests do not have to rely on General Delivery. They also run ID voucher and birth certificate clinics, which pairs well — the ID they help you order has somewhere to arrive.

• Paz de Cristo Community Center — 424 W. Broadway Rd., Mesa, AZ 85210
• (480) 464-2370
• Mail pickup: Monday–Friday, 4:00–6:00 p.m.
• Letters and documents only — they cannot accept packages, due to limited storage.
• Walk-ins welcome, no referral required.
• Related: ID vouchers Tuesdays at 1:00 p.m.; birth certificate help Wednesdays at 10:00 a.m. (adults only — bring a physical ID card, not a photo of one).

USPS General Delivery — and the catch you need to know about

The Postal Service will hold mail for anyone at a designated post office. In Phoenix that is the main office on East Van Buren. Have mail addressed exactly like this:

YOUR FULL LEGAL NAME
GENERAL DELIVERY
PHOENIX, AZ 85026

• Phoenix Main Post Office — 4949 E. Van Buren St., Room 187, Phoenix, AZ 85026
• (602) 225-3158
• Retail hours: Monday–Friday 8:00 a.m.–5:30 p.m., Saturday 9:00 a.m.–5:00 p.m., closed Sunday
• General Delivery mail is held up to 30 days, then returned to the sender

The catch: the Postal Service can require photo identification matching the name on the mail before it hands anything over. If the thing you are waiting for is your replacement ID, that rule can lock you out of the exact envelope you need. This is the single biggest reason the nonprofit mailrooms above exist, and the reason to use one if you can reach it. If you are stuck in that loop, start with our guide to replacing a lost ID in Phoenix or the ID Recovery Wizard, which sorts out which document to chase first.

If you are already in a shelter or program

Ask your case manager whether you can use the program’s address while you are enrolled. Many shelters and transitional programs accept mail for current residents. It is the simplest option when it is available — and the one most likely to end the day you exit, so ask early what happens to your mail after you leave, and set up a mailroom address before you need it.

Make the address work for you

• Use the same name everywhere. Mail addressed to a nickname or a different spelling than your legal name can be refused or returned.
• Check on a schedule. Benefit letters often carry deadlines measured in days. General Delivery gives you 30; agency mailrooms have their own limits.
• Tell every agency at once. When you get a new mailing address, update it with DES, AHCCCS, Social Security, the MVD, your employer, and the court if you have a case — one afternoon of calls prevents months of lost paperwork.
• You can register to vote without a traditional address in Arizona. A shelter or the location where you stay can be used to describe where you live; call the Maricopa County Recorder or 2-1-1 for the current process.

Verify before you go / call ahead. Mailroom hours, intake windows, and eligibility rules change, sometimes seasonally. Call the number listed before you travel, and if any number on this page is out of service, dial 2-1-1 (or 877-211-8661) for a current referral.

Have a correction or an update? Contact us — we verify and update this information when changes are reported.