In which county is ZIP code 02129 located?

ZIP 02129 is listed under Suffolk County, MA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 02129: Charlestown, MA

ZIP: 02129

County: Suffolk County

Coordinates: 42.37780, -71.06270

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 02129 in Charlestown, MA. We include verified county details for Suffolk County plus key geographic references used for mapping and logistics.

Primary City	Charlestown
ZIP Code	02129
County	Suffolk County
State	MA
Latitude / Longitude	42.37780, -71.06270
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 02129 (not an exact boundary).

Geographic & Administrative Context

For mapping and verification, 02129 is commonly represented around 42.37780, -71.06270. These coordinates help identify the general area within Suffolk County, MA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 02129 for mail delivery and general location reference in Suffolk County, MA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Charlestown within MA.

Frequently Asked Questions

What is the primary city for ZIP code 02129?

The primary city for this ZIP code is Charlestown, located in MA.

In which county is 02129 located?

ZIP code 02129 is situated within Suffolk County, MA.

What are the coordinates for 02129?

The approximate center point is 42.37780 (Latitude) and -71.06270 (Longitude).

Is ZIP code 02129 active?

This page lists ZIP 02129 as Listed based on the latest refresh date shown above.

Does ZIP 02129 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