ZIP Code 01940

01940 is one of Massachusetts's ZIP codes, delivering to addresses in Lynnfield, Essex County.

City: Lynnfield
County: Essex County
State: Massachusetts
Prefix: 019xx

Where this code sits

01940 is part of the 019xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lynnfield.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01940 delivers to without sharing its boundary.

ZIP codes nearest 01940

The ZIP codes whose reference points sit closest to 01940.
ZIP code	Distance	Delivers to
ZIP code 01880	2.8 mi	Wakefield, MA
ZIP code 01960	3.7 mi	Peabody, MA
ZIP code 01825	3.7 mi	North Reading, MA
ZIP code 01867	3.8 mi	Reading, MA
ZIP code 01949	4.4 mi	Middleton, MA
ZIP code 01864	4.6 mi	North Reading, MA
ZIP code 01904	4.6 mi	Lynn, MA
ZIP code 01889	4.7 mi	North Reading, 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 01940, plotted from its record coordinates.

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

Scope ZIP code 01940. 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.