In which county is ZIP code 02477 located?

ZIP 02477 is listed under Middlesex County, MA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 02477: Watertown, MA

ZIP: 02477

County: Middlesex County

Coordinates: 42.37090, -71.18280

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Watertown, MA postal area 02477. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Watertown
ZIP Code	02477
County	Middlesex County
State	MA
Latitude / Longitude	42.37090, -71.18280
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 02477 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 02477 are listed as 42.37090 / -71.18280, useful for GPS and service checks in and around Watertown, MA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 02477 for mail delivery and general location reference in Middlesex County, MA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Watertown within MA.

Frequently Asked Questions

What is the primary city for ZIP code 02477?

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

In which county is 02477 located?

ZIP code 02477 is situated within Middlesex County, MA.

What are the coordinates for 02477?

The approximate center point is 42.37090 (Latitude) and -71.18280 (Longitude).

Is ZIP code 02477 active?

This page lists ZIP 02477 as Listed based on the latest refresh date shown above.

Does ZIP 02477 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