ZIP Code 01843

01843 is one of Massachusetts's ZIP codes, delivering to addresses in Lawrence, Essex County.

City

Lawrence

County

Essex County

State

Massachusetts

Prefix

018xx

Where this code sits

01843 is part of the 018xx range, the group of codes handled by one mail processing centre. Lawrence is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Lawrence page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01843 delivers to without sharing its boundary.

ZIP codes nearest 01843

The ZIP codes whose reference points sit closest to 01843.
ZIP code	Distance	Delivers to
ZIP code 01842	1.1 mi	Lawrence, MA
ZIP code 01840	1.2 mi	Lawrence, MA
ZIP code 01841	1.4 mi	Lawrence, MA
ZIP code 01899	2.6 mi	Andover, MA
ZIP code 01845	2.7 mi	North Andover, MA
ZIP code 01844	2.8 mi	Methuen, MA
ZIP code 01810	2.9 mi	Andover, MA
ZIP code 01812	3.3 mi	Andover, 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 01843, plotted from its record coordinates.

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

Scope ZIP code 01843. 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.