In which county is ZIP code 49401 located?

ZIP 49401 is listed under Ottawa County, MI.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 49401: Allendale, MI

ZIP: 49401

County: Ottawa County

Coordinates: 42.97110, -85.92490

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Allendale, MI postal area 49401. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Allendale
ZIP Code	49401
County	Ottawa County
State	MI
Latitude / Longitude	42.97110, -85.92490
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 49401 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 49401 are listed as 42.97110 / -85.92490, useful for GPS and service checks in and around Allendale, MI.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 49401 for mail delivery and general location reference in Ottawa County, MI.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Allendale.

Related ZIP Codes (Nearby)

Explore other postal codes near Allendale within MI.

Frequently Asked Questions

What is the primary city for ZIP code 49401?

The primary city for this ZIP code is Allendale, located in MI.

In which county is 49401 located?

ZIP code 49401 is situated within Ottawa County, MI.

What are the coordinates for 49401?

The approximate center point is 42.97110 (Latitude) and -85.92490 (Longitude).

Is ZIP code 49401 active?

This page lists ZIP 49401 as Listed based on the latest refresh date shown above.

Does ZIP 49401 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