In which county is ZIP code 21857 located?

ZIP 21857 is listed under Somerset, MD.

When was this page updated?

This page was updated on 2026-01-30.

ZIP Code 21857: Rehobeth, MD

ZIP: 21857

County: Somerset

Coordinates: 38.03900, -75.66300

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 21857 in Rehobeth, MD. We include verified county details for Somerset plus key geographic references used for mapping and logistics.

Primary City	Rehobeth
ZIP Code	21857
County	Somerset
State	MD
Latitude / Longitude	38.03900, -75.66300
ZIP Type	Standard
Time Zone	Eastern Time (ET)
Data Updated	2026-01-30

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 21857 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21857 is commonly represented around 38.03900, -75.66300. These coordinates help identify the general area within Somerset, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21857 for mail delivery and general location reference in Somerset, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Rehobeth within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21857?

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

In which county is 21857 located?

ZIP code 21857 is situated within Somerset, MD.

What are the coordinates for 21857?

The approximate center point is 38.03900 (Latitude) and -75.66300 (Longitude).

Is ZIP code 21857 active?

This page lists ZIP 21857 as Listed based on the latest refresh date shown above.

Does ZIP 21857 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: 2026-01-30