In which county is ZIP code 20628 located?

ZIP 20628 is listed under St. Marys, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 20628: Dameron, MD

ZIP: 20628

County: St. Marys

Coordinates: 38.15330, -76.35750

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 20628, serving Dameron in MD. It lies in St. Marys and supports delivery, planning, and address verification.

Primary City	Dameron
ZIP Code	20628
County	St. Marys
State	MD
Latitude / Longitude	38.15330, -76.35750
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 20628 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 20628 are listed as 38.15330 / -76.35750, useful for GPS and service checks in and around Dameron, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 20628 for mail delivery and general location reference in St. Marys, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Dameron within MD.

Frequently Asked Questions

What is the primary city for ZIP code 20628?

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

In which county is 20628 located?

ZIP code 20628 is situated within St. Marys, MD.

What are the coordinates for 20628?

The approximate center point is 38.15330 (Latitude) and -76.35750 (Longitude).

Is ZIP code 20628 active?

This page lists ZIP 20628 as Listed based on the latest refresh date shown above.

Does ZIP 20628 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