ZIP Code 01931

01931 is one of Massachusetts's ZIP codes, delivering to addresses in Gloucester, Essex County.

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

Where this code sits

01931 is part of the 019xx range, the group of codes handled by one mail processing centre. Gloucester is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Gloucester page.

Gloucester Massachusetts ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01931 delivers to without sharing its boundary.

ZIP codes nearest 01931

The ZIP codes whose reference points sit closest to 01931.
ZIP code	Distance	Delivers to
ZIP code 01930	0.6 mi	Gloucester, MA
ZIP code 01966	3.6 mi	Rockport, MA
ZIP code 01944	5.9 mi	Manchester, MA
ZIP code 01929	6.2 mi	Essex, MA
ZIP code 01965	9.2 mi	Prides Crossing, MA
ZIP code 01982	9.9 mi	South Hamilton, MA
ZIP code 01938	11 mi	Ipswich, MA
ZIP code 01984	11 mi	Wenham, 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 01931, plotted from its record coordinates.

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

Scope ZIP code 01931. 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.