ZIP Code 01904

01904 is one of Massachusetts's ZIP codes, delivering to addresses in Lynn, Essex County.

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

Where this code sits

01904 is part of the 019xx range, the group of codes handled by one mail processing centre. Lynn is served by 6 ZIP codes in total; the full list, with the county each falls in, is on the Lynn page.

Lynn Massachusetts ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01904 delivers to without sharing its boundary.

ZIP codes nearest 01904

The ZIP codes whose reference points sit closest to 01904.
ZIP code	Distance	Delivers to
ZIP code 01905	1.4 mi	Lynn, MA
ZIP code 01903	1.7 mi	Lynn, MA
ZIP code 01902	1.8 mi	Lynn, MA
ZIP code 01901	2.1 mi	Lynn, MA
ZIP code 01910	2.4 mi	Lynn, MA
ZIP code 01906	3.0 mi	Saugus, MA
ZIP code 01907	3.0 mi	Swampscott, MA
ZIP code 01960	3.0 mi	Peabody, 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 01904, plotted from its record coordinates.

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

Scope ZIP code 01904. 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.