ZIP Code 48109: Ann Arbor, MI
County: Washtenaw
Coordinates: 42.27760, -83.74090
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 48109, serving Ann Arbor in MI. It lies in Washtenaw and supports delivery, planning, and address verification.
| Primary City | Ann Arbor |
|---|
| ZIP Code | 48109 |
|---|
| County | Washtenaw |
|---|
| State | MI |
|---|
| Latitude / Longitude | 42.27760, -83.74090 |
|---|
| ZIP Type | Standard |
|---|
| Time Zone | Eastern Time (ET) |
|---|
| Data Updated | 2026-01-08 |
|---|
Advertisement
Maps & Useful Links
Open in Maps:
Google Maps ·
OpenStreetMap
These links show the approximate center point for ZIP 48109 (not an exact boundary).
Geographic & Administrative Context
For mapping and verification, 48109 is commonly represented around 42.27760, -83.74090. These coordinates help identify the general area within Washtenaw, MI.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 48109 for mail delivery and general location reference in
Washtenaw,
MI.
This ZIP may extend beyond the city core into nearby communities within Washtenaw.
Related ZIP Codes (Nearby)
Explore other postal codes near Ann Arbor within MI.
Advertisement
Frequently Asked Questions
What is the primary city for ZIP code 48109?
The primary city for this ZIP code is Ann Arbor, located in MI.
In which county is 48109 located?
ZIP code 48109 is situated within Washtenaw, MI.
What are the coordinates for 48109?
The approximate center point is 42.27760 (Latitude) and -83.74090 (Longitude).
Is ZIP code 48109 active?
This page lists ZIP 48109 as Listed based on the latest refresh date shown above.
Does ZIP 48109 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
Advertisement
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