In which county is ZIP code 21631 located?

ZIP 21631 is listed under Dorchester, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21631: East New Market, MD

ZIP: 21631

County: Dorchester

Coordinates: 38.59210, -75.95680

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21631, serving East New Market in MD. It lies in Dorchester and supports delivery, planning, and address verification.

Primary City	East New Market
ZIP Code	21631
County	Dorchester
State	MD
Latitude / Longitude	38.59210, -75.95680
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 21631 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 21631 is approximately 38.59210 (latitude) and -75.95680 (longitude). This location sits within Dorchester, contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21631 for mail delivery and general location reference in Dorchester, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near East New Market within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21631?

The primary city for this ZIP code is East New Market, located in MD.

In which county is 21631 located?

ZIP code 21631 is situated within Dorchester, MD.

What are the coordinates for 21631?

The approximate center point is 38.59210 (Latitude) and -75.95680 (Longitude).

Is ZIP code 21631 active?

This page lists ZIP 21631 as Listed based on the latest refresh date shown above.

Does ZIP 21631 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