In which county is ZIP code 20680 located?

ZIP 20680 is listed under St. Marys, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20680: Ridge, MD

ZIP: 20680

County: St. Marys

Coordinates: 38.11690, -76.37110

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 20680 in Ridge, MD. We include verified county details for St. Marys plus key geographic references used for mapping and logistics.

Primary City	Ridge
ZIP Code	20680
County	St. Marys
State	MD
Latitude / Longitude	38.11690, -76.37110
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 20680 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 20680 are listed as 38.11690 / -76.37110, useful for GPS and service checks in and around Ridge, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20680 for mail delivery and general location reference in St. Marys, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Ridge within MD.

Frequently Asked Questions

What is the primary city for ZIP code 20680?

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

In which county is 20680 located?

ZIP code 20680 is situated within St. Marys, MD.

What are the coordinates for 20680?

The approximate center point is 38.11690 (Latitude) and -76.37110 (Longitude).

Is ZIP code 20680 active?

This page lists ZIP 20680 as Listed based on the latest refresh date shown above.

Does ZIP 20680 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