ZIP Code 01850

01850 is one of Massachusetts's ZIP codes, delivering to addresses in Lowell, Middlesex County.

City: Lowell
County: Middlesex County
State: Massachusetts
Prefix: 018xx

Where this code sits

01850 is part of the 018xx range, the group of codes handled by one mail processing centre. Lowell is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Lowell page.

Lowell Massachusetts ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01850 delivers to without sharing its boundary.

ZIP codes nearest 01850

The ZIP codes whose reference points sit closest to 01850.
ZIP code	Distance	Delivers to
ZIP code 01852	1.5 mi	Lowell, MA
ZIP code 01826	1.6 mi	Dracut, MA
ZIP code 01854	1.6 mi	Lowell, MA
ZIP code 01853	1.7 mi	Lowell, MA
ZIP code 01851	2.2 mi	Lowell, MA
ZIP code 01863	4.6 mi	North Chelmsford, MA
ZIP code 03076	5.0 mi	Pelham, NH
ZIP code 01824	5.2 mi	Chelmsford, 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 01850, plotted from its record coordinates.

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

Scope ZIP code 01850. 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.