In which county is ZIP code 55920 located?

ZIP 55920 is listed under Olmsted, MN.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 55920: Byron, MN

ZIP: 55920

County: Olmsted

Coordinates: 44.03730, -92.63080

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Byron, MN postal area 55920. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Byron
ZIP Code	55920
County	Olmsted
State	MN
Latitude / Longitude	44.03730, -92.63080
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 55920 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 55920 is approximately 44.03730 (latitude) and -92.63080 (longitude). This location sits within Olmsted, contributing to regional planning across MN.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 55920 for mail delivery and general location reference in Olmsted, MN.

Some addresses near Byron may share this ZIP due to delivery routing and local service areas.

Related ZIP Codes (Nearby)

Explore other postal codes near Byron within MN.

Frequently Asked Questions

What is the primary city for ZIP code 55920?

The primary city for this ZIP code is Byron, located in MN.

In which county is 55920 located?

ZIP code 55920 is situated within Olmsted, MN.

What are the coordinates for 55920?

The approximate center point is 44.03730 (Latitude) and -92.63080 (Longitude).

Is ZIP code 55920 active?

This page lists ZIP 55920 as Listed based on the latest refresh date shown above.

Does ZIP 55920 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