In which county is ZIP code 21911 located?

ZIP 21911 is listed under Cecil, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21911: Rising Sun, MD

ZIP: 21911

County: Cecil

Coordinates: 39.68820, -76.04920

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21911, serving Rising Sun in MD. It lies in Cecil and supports delivery, planning, and address verification.

Primary City	Rising Sun
ZIP Code	21911
County	Cecil
State	MD
Latitude / Longitude	39.68820, -76.04920
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 21911 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 21911 is approximately 39.68820 (latitude) and -76.04920 (longitude). This location sits within Cecil, contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21911 for mail delivery and general location reference in Cecil, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Rising Sun within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21911?

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

In which county is 21911 located?

ZIP code 21911 is situated within Cecil, MD.

What are the coordinates for 21911?

The approximate center point is 39.68820 (Latitude) and -76.04920 (Longitude).

Is ZIP code 21911 active?

This page lists ZIP 21911 as Listed based on the latest refresh date shown above.

Does ZIP 21911 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