In which county is ZIP code 63645 located?

ZIP 63645 is listed under Madison, MO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 63645: Fredericktown, MO

ZIP: 63645

County: Madison

Coordinates: 37.49060, -90.33620

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 63645, serving Fredericktown in MO. It lies in Madison and supports delivery, planning, and address verification.

Primary City	Fredericktown
ZIP Code	63645
County	Madison
State	MO
Latitude / Longitude	37.49060, -90.33620
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 63645 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 63645 is approximately 37.49060 (latitude) and -90.33620 (longitude). This location sits within Madison, contributing to regional planning across MO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 63645 for mail delivery and general location reference in Madison, MO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Fredericktown within MO.

Frequently Asked Questions

What is the primary city for ZIP code 63645?

The primary city for this ZIP code is Fredericktown, located in MO.

In which county is 63645 located?

ZIP code 63645 is situated within Madison, MO.

What are the coordinates for 63645?

The approximate center point is 37.49060 (Latitude) and -90.33620 (Longitude).

Is ZIP code 63645 active?

This page lists ZIP 63645 as Listed based on the latest refresh date shown above.

Does ZIP 63645 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