In which county is ZIP code 85321 located?

ZIP 85321 is listed under Pima County, AZ.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 85321: Ajo, AZ

ZIP: 85321

County: Pima County

Coordinates: 32.22950, -112.65420

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 85321, serving Ajo in AZ. It lies in Pima County and supports delivery, planning, and address verification.

Primary City	Ajo
ZIP Code	85321
County	Pima County
State	AZ
Latitude / Longitude	32.22950, -112.65420
ZIP Type	Standard
Time Zone	Mountain Time (MT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 85321 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 85321 is approximately 32.22950 (latitude) and -112.65420 (longitude). This location sits within Pima County, contributing to regional planning across AZ.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 85321 for mail delivery and general location reference in Pima County, AZ.

This ZIP may extend beyond the city core into nearby communities within Pima County.

Related ZIP Codes (Nearby)

Explore other postal codes near Ajo within AZ.

Frequently Asked Questions

What is the primary city for ZIP code 85321?

The primary city for this ZIP code is Ajo, located in AZ.

In which county is 85321 located?

ZIP code 85321 is situated within Pima County, AZ.

What are the coordinates for 85321?

The approximate center point is 32.22950 (Latitude) and -112.65420 (Longitude).

Is ZIP code 85321 active?

This page lists ZIP 85321 as Listed based on the latest refresh date shown above.

Does ZIP 85321 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08