ZIP Code 02452

02452 is one of Massachusetts's ZIP codes, delivering to addresses in Waltham, Middlesex County.

City

Waltham

County

Middlesex County

State

Massachusetts

Prefix

024xx

Where this code sits

02452 is part of the 024xx range, the group of codes handled by one mail processing centre. Waltham is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Waltham page.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02452 delivers to without sharing its boundary.

ZIP codes nearest 02452

The ZIP codes whose reference points sit closest to 02452.
ZIP code	Distance	Delivers to
ZIP code 02451	1.4 mi	Waltham, MA
ZIP code 02479	1.9 mi	Waverley, MA
ZIP code 02478	2.0 mi	Belmont, MA
ZIP code 02453	2.1 mi	Waltham, MA
ZIP code 02455	2.3 mi	North Waltham, MA
ZIP code 02495	2.3 mi	Nonantum, MA
ZIP code 02471	2.4 mi	Watertown, MA
ZIP code 02477	2.4 mi	Watertown, 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 02452, plotted from its record coordinates.

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

Scope ZIP code 02452. 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.