In which county is ZIP code 85204 located?

ZIP 85204 is listed under Maricopa County, AZ.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 85204: Mesa, AZ

ZIP: 85204

County: Maricopa County

Coordinates: 33.39920, -111.78960

ZIP Type: Standard

Time Zone: Mountain Time (MT)

This profile provides an in-depth look at ZIP code 85204, serving Mesa in AZ. It lies in Maricopa County and supports delivery, planning, and address verification.

Primary City	Mesa
ZIP Code	85204
County	Maricopa County
State	AZ
Latitude / Longitude	33.39920, -111.78960
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 85204 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 85204 are listed as 33.39920 / -111.78960, useful for GPS and service checks in and around Mesa, AZ.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 85204 for mail delivery and general location reference in Maricopa County, AZ.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Mesa within AZ.

Frequently Asked Questions

What is the primary city for ZIP code 85204?

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

In which county is 85204 located?

ZIP code 85204 is situated within Maricopa County, AZ.

What are the coordinates for 85204?

The approximate center point is 33.39920 (Latitude) and -111.78960 (Longitude).

Is ZIP code 85204 active?

This page lists ZIP 85204 as Listed based on the latest refresh date shown above.

Does ZIP 85204 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