ZIP Code 21043: Ellicott City, MD
County: Howard
Coordinates: 39.25480, -76.80010
ZIP Type: Standard
Time Zone: Eastern Time (ET)
This profile provides an in-depth look at ZIP code 21043, serving Ellicott City in MD. It lies in Howard and supports delivery, planning, and address verification.
| Primary City | Ellicott City |
|---|
| ZIP Code | 21043 |
|---|
| County | Howard |
|---|
| State | MD |
|---|
| Latitude / Longitude | 39.25480, -76.80010 |
|---|
| ZIP Type | Standard |
|---|
| Time Zone | Eastern Time (ET) |
|---|
| Data Updated | 2026-01-08 |
|---|
Advertisement
Maps & Useful Links
Open in Maps:
Google Maps ·
OpenStreetMap
These links show the approximate center point for ZIP 21043 (not an exact boundary).
Geographic & Administrative Context
Coordinates for 21043 are listed as 39.25480 / -76.80010, useful for GPS and service checks in and around Ellicott City, MD.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21043 for mail delivery and general location reference in
Howard,
MD.
This ZIP may extend beyond the city core into nearby communities within Howard.
Related ZIP Codes (Nearby)
Explore other postal codes near Ellicott City within MD.
Advertisement
Frequently Asked Questions
What is the primary city for ZIP code 21043?
The primary city for this ZIP code is Ellicott City, located in MD.
In which county is 21043 located?
ZIP code 21043 is situated within Howard, MD.
What are the coordinates for 21043?
The approximate center point is 39.25480 (Latitude) and -76.80010 (Longitude).
Is ZIP code 21043 active?
This page lists ZIP 21043 as Listed based on the latest refresh date shown above.
Does ZIP 21043 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
Advertisement
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