In which county is ZIP code 21912 located?

ZIP 21912 is listed under Cecil, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21912: Warwick, MD

ZIP: 21912

County: Cecil

Coordinates: 39.42830, -75.79960

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21912, serving Warwick in MD. It lies in Cecil and supports delivery, planning, and address verification.

Primary City	Warwick
ZIP Code	21912
County	Cecil
State	MD
Latitude / Longitude	39.42830, -75.79960
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 21912 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 21912 are listed as 39.42830 / -75.79960, useful for GPS and service checks in and around Warwick, MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21912 for mail delivery and general location reference in Cecil, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Warwick within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21912?

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

In which county is 21912 located?

ZIP code 21912 is situated within Cecil, MD.

What are the coordinates for 21912?

The approximate center point is 39.42830 (Latitude) and -75.79960 (Longitude).

Is ZIP code 21912 active?

This page lists ZIP 21912 as Listed based on the latest refresh date shown above.

Does ZIP 21912 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