In which county is ZIP code 20660 located?

ZIP 20660 is listed under St. Marys, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20660: Morganza, MD

ZIP: 20660

County: St. Marys

Coordinates: 38.37540, -76.69550

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 20660 in Morganza, MD. We include verified county details for St. Marys plus key geographic references used for mapping and logistics.

Primary City	Morganza
ZIP Code	20660
County	St. Marys
State	MD
Latitude / Longitude	38.37540, -76.69550
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 20660 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 20660 is approximately 38.37540 (latitude) and -76.69550 (longitude). This location sits within St. Marys, contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20660 for mail delivery and general location reference in St. Marys, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Morganza within MD.

Frequently Asked Questions

What is the primary city for ZIP code 20660?

The primary city for this ZIP code is Morganza, located in MD.

In which county is 20660 located?

ZIP code 20660 is situated within St. Marys, MD.

What are the coordinates for 20660?

The approximate center point is 38.37540 (Latitude) and -76.69550 (Longitude).

Is ZIP code 20660 active?

This page lists ZIP 20660 as Listed based on the latest refresh date shown above.

Does ZIP 20660 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