In which county is ZIP code 63544 located?

ZIP 63544 is listed under Sullivan, MO.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 63544: Green Castle, MO

ZIP: 63544

County: Sullivan

Coordinates: 40.27030, -92.87800

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Green Castle, MO postal area 63544. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Green Castle
ZIP Code	63544
County	Sullivan
State	MO
Latitude / Longitude	40.27030, -92.87800
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 63544 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 63544 is approximately 40.27030 (latitude) and -92.87800 (longitude). This location sits within Sullivan, contributing to regional planning across MO.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 63544 for mail delivery and general location reference in Sullivan, MO.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Green Castle within MO.

Frequently Asked Questions

What is the primary city for ZIP code 63544?

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

In which county is 63544 located?

ZIP code 63544 is situated within Sullivan, MO.

What are the coordinates for 63544?

The approximate center point is 40.27030 (Latitude) and -92.87800 (Longitude).

Is ZIP code 63544 active?

This page lists ZIP 63544 as Listed based on the latest refresh date shown above.

Does ZIP 63544 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