In which county is ZIP code 21784 located?

ZIP 21784 is listed under Carroll, MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21784: Sykesville, MD

ZIP: 21784

County: Carroll

Coordinates: 39.45670, -76.96960

ZIP Type: Standard

Time Zone: Eastern Time (ET)

This profile provides an in-depth look at ZIP code 21784, serving Sykesville in MD. It lies in Carroll and supports delivery, planning, and address verification.

Primary City	Sykesville
ZIP Code	21784
County	Carroll
State	MD
Latitude / Longitude	39.45670, -76.96960
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 21784 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 21784 is approximately 39.45670 (latitude) and -76.96960 (longitude). This location sits within Carroll, contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21784 for mail delivery and general location reference in Carroll, MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Sykesville within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21784?

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

In which county is 21784 located?

ZIP code 21784 is situated within Carroll, MD.

What are the coordinates for 21784?

The approximate center point is 39.45670 (Latitude) and -76.96960 (Longitude).

Is ZIP code 21784 active?

This page lists ZIP 21784 as Listed based on the latest refresh date shown above.

Does ZIP 21784 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