In which county is ZIP code 02420 located?

ZIP 02420 is listed under Middlesex County, MA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 02420: Lexington, MA

ZIP: 02420

County: Middlesex County

Coordinates: 42.45630, -71.21670

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Explore detailed information for ZIP code 02420 in Lexington, MA. We include verified county details for Middlesex County plus key geographic references used for mapping and logistics.

Primary City	Lexington
ZIP Code	02420
County	Middlesex County
State	MA
Latitude / Longitude	42.45630, -71.21670
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 02420 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 02420 are listed as 42.45630 / -71.21670, useful for GPS and service checks in and around Lexington, MA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 02420 for mail delivery and general location reference in Middlesex County, MA.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Lexington within MA.

Frequently Asked Questions

What is the primary city for ZIP code 02420?

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

In which county is 02420 located?

ZIP code 02420 is situated within Middlesex County, MA.

What are the coordinates for 02420?

The approximate center point is 42.45630 (Latitude) and -71.21670 (Longitude).

Is ZIP code 02420 active?

This page lists ZIP 02420 as Listed based on the latest refresh date shown above.

Does ZIP 02420 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