ZIP Code 01845

01845 is one of Massachusetts's ZIP codes, delivering to addresses in North Andover, Essex County.

City: North Andover
County: Essex County
State: Massachusetts
Prefix: 018xx

Where this code sits

01845 is part of the 018xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to North Andover.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01845 delivers to without sharing its boundary.

ZIP codes nearest 01845

The ZIP codes whose reference points sit closest to 01845.
ZIP code	Distance	Delivers to
ZIP code 01899	2.2 mi	Andover, MA
ZIP code 01843	2.7 mi	Lawrence, MA
ZIP code 01885	2.8 mi	West Boxford, MA
ZIP code 01842	3.2 mi	Lawrence, MA
ZIP code 01840	3.3 mi	Lawrence, MA
ZIP code 01810	3.3 mi	Andover, MA
ZIP code 01841	3.6 mi	Lawrence, MA
ZIP code 01812	4.5 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 01845, plotted from its record coordinates.

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

Scope ZIP code 01845. 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.