In which county is ZIP code 21840 located?

ZIP 21840 is listed under Wicomico, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21840: Nanticoke, MD

ZIP: 21840

County: Wicomico

Coordinates: 38.26720, -75.90210

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21840, serving Nanticoke in MD. It lies in Wicomico and supports delivery, planning, and address verification.

Primary City	Nanticoke
ZIP Code	21840
County	Wicomico
State	MD
Latitude / Longitude	38.26720, -75.90210
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 21840 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 21840 is commonly represented around 38.26720, -75.90210. These coordinates help identify the general area within Wicomico, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21840 for mail delivery and general location reference in Wicomico, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Nanticoke within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21840?

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

In which county is 21840 located?

ZIP code 21840 is situated within Wicomico, MD.

What are the coordinates for 21840?

The approximate center point is 38.26720 (Latitude) and -75.90210 (Longitude).

Is ZIP code 21840 active?

This page lists ZIP 21840 as Listed based on the latest refresh date shown above.

Does ZIP 21840 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