In which county is ZIP code 64503 located?

ZIP 64503 is listed under Buchanan, MO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 64503: Saint Joseph, MO

ZIP: 64503

County: Buchanan

Coordinates: 39.73400, -94.81710

ZIP Type: Standard

Time Zone: Central Time (CT)

Explore detailed information for ZIP code 64503 in Saint Joseph, MO. We include verified county details for Buchanan plus key geographic references used for mapping and logistics.

Primary City	Saint Joseph
ZIP Code	64503
County	Buchanan
State	MO
Latitude / Longitude	39.73400, -94.81710
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 64503 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 64503 are listed as 39.73400 / -94.81710, useful for GPS and service checks in and around Saint Joseph, MO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 64503 for mail delivery and general location reference in Buchanan, MO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Saint Joseph within MO.

Frequently Asked Questions

What is the primary city for ZIP code 64503?

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

In which county is 64503 located?

ZIP code 64503 is situated within Buchanan, MO.

What are the coordinates for 64503?

The approximate center point is 39.73400 (Latitude) and -94.81710 (Longitude).

Is ZIP code 64503 active?

This page lists ZIP 64503 as Listed based on the latest refresh date shown above.

Does ZIP 64503 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