ZIP Code 02455

02455 is one of Massachusetts's ZIP codes, delivering to addresses in North Waltham, Middlesex County.

City: North Waltham
County: Middlesex County
State: Massachusetts
Prefix: 024xx

Where this code sits

02455 is part of the 024xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to North Waltham.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02455 delivers to without sharing its boundary.

ZIP codes nearest 02455

The ZIP codes whose reference points sit closest to 02455.
ZIP code	Distance	Delivers to
ZIP code 02495	0.2 mi	Nonantum, MA
ZIP code 02460	0.7 mi	Newtonville, MA
ZIP code 02458	1.1 mi	Newton, MA
ZIP code 02471	1.3 mi	Watertown, MA
ZIP code 02477	1.3 mi	Watertown, MA
ZIP code 02453	1.4 mi	Waltham, MA
ZIP code 02465	1.4 mi	West Newton, MA
ZIP code 02472	1.5 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 02455, plotted from its record coordinates.

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

Scope ZIP code 02455. 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.