In which county is ZIP code 01731 located?

ZIP 01731 is listed under Middlesex County, MA.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 01731: Hanscom Afb, MA

ZIP: 01731

County: Middlesex County

Coordinates: 42.45670, -71.27950

ZIP Type: Standard

Time Zone: Eastern Time (ET)

Get a reliable snapshot of the Hanscom Afb, MA postal area 01731. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Hanscom Afb
ZIP Code	01731
County	Middlesex County
State	MA
Latitude / Longitude	42.45670, -71.27950
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 01731 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 01731 are listed as 42.45670 / -71.27950, useful for GPS and service checks in and around Hanscom Afb, MA.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 01731 for mail delivery and general location reference in Middlesex County, MA.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Hanscom Afb.

Related ZIP Codes (Nearby)

Explore other postal codes near Hanscom Afb within MA.

Frequently Asked Questions

What is the primary city for ZIP code 01731?

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

In which county is 01731 located?

ZIP code 01731 is situated within Middlesex County, MA.

What are the coordinates for 01731?

The approximate center point is 42.45670 (Latitude) and -71.27950 (Longitude).

Is ZIP code 01731 active?

This page lists ZIP 01731 as Listed based on the latest refresh date shown above.

Does ZIP 01731 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