In which county is ZIP code 21229 located?

ZIP 21229 is listed under Baltimore (city), MD.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 21229: Baltimore, MD

ZIP: 21229

County: Baltimore (city)

Coordinates: 39.28560, -76.68990

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 21229 in Baltimore, MD. We include verified county details for Baltimore (city) plus key geographic references used for mapping and logistics.

Primary City	Baltimore
ZIP Code	21229
County	Baltimore (city)
State	MD
Latitude / Longitude	39.28560, -76.68990
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 21229 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 21229 is approximately 39.28560 (latitude) and -76.68990 (longitude). This location sits within Baltimore (city), contributing to regional planning across MD.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 21229 for mail delivery and general location reference in Baltimore (city), MD.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Baltimore within MD.

Frequently Asked Questions

What is the primary city for ZIP code 21229?

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

In which county is 21229 located?

ZIP code 21229 is situated within Baltimore (city), MD.

What are the coordinates for 21229?

The approximate center point is 39.28560 (Latitude) and -76.68990 (Longitude).

Is ZIP code 21229 active?

This page lists ZIP 21229 as Listed based on the latest refresh date shown above.

Does ZIP 21229 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