ZIP Code 02633

02633 is one of Massachusetts's ZIP codes, delivering to addresses in Chatham, Barnstable County.

City: Chatham
County: Barnstable County
State: Massachusetts
Prefix: 026xx

Where this code sits

02633 is part of the 026xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chatham.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02633 delivers to without sharing its boundary.

ZIP codes nearest 02633

The ZIP codes whose reference points sit closest to 02633.
ZIP code	Distance	Delivers to
ZIP code 02650	1.0 mi	North Chatham, MA
ZIP code 02669	1.1 mi	West Chatham, MA
ZIP code 02659	2.7 mi	South Chatham, MA
ZIP code 02661	3.1 mi	South Harwich, MA
ZIP code 02645	4.5 mi	Harwich, MA
ZIP code 02662	4.7 mi	South Orleans, MA
ZIP code 02646	5.3 mi	Harwich Port, MA
ZIP code 02653	6.3 mi	Orleans, 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 02633, plotted from its record coordinates.

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

Scope ZIP code 02633. 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.