ZIP Code 01938

01938 is one of Massachusetts's ZIP codes, delivering to addresses in Ipswich, Essex County.

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

Where this code sits

01938 is part of the 019xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ipswich.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01938 delivers to without sharing its boundary.

ZIP codes nearest 01938

The ZIP codes whose reference points sit closest to 01938.
ZIP code	Distance	Delivers to
ZIP code 01936	3.5 mi	Hamilton, MA
ZIP code 01961	3.5 mi	Peabody, MA
ZIP code 01971	3.5 mi	Salem, MA
ZIP code 01969	3.7 mi	Rowley, MA
ZIP code 01982	4.3 mi	South Hamilton, MA
ZIP code 01929	5.0 mi	Essex, MA
ZIP code 01984	5.7 mi	Wenham, MA
ZIP code 01983	5.7 mi	Topsfield, 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 01938, plotted from its record coordinates.

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

Scope ZIP code 01938. 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.