ZIP Code 01865

01865 is one of Massachusetts's ZIP codes, delivering to addresses in Nutting Lake, Middlesex County.

City: Nutting Lake
County: Middlesex County
State: Massachusetts
Prefix: 018xx

Where this code sits

01865 is part of the 018xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Nutting Lake.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01865 delivers to without sharing its boundary.

ZIP codes nearest 01865

The ZIP codes whose reference points sit closest to 01865.
ZIP code	Distance	Delivers to
ZIP code 01821	1.3 mi	Billerica, MA
ZIP code 01822	1.4 mi	Billerica, MA
ZIP code 01866	2.2 mi	Pinehurst, MA
ZIP code 01862	2.8 mi	North Billerica, MA
ZIP code 01730	3.7 mi	Bedford, MA
ZIP code 01803	4.0 mi	Burlington, MA
ZIP code 01741	4.3 mi	Carlisle, MA
ZIP code 01805	4.4 mi	Burlington, MA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 01865, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 01865. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.