ZIP Code 02564

02564 is one of Massachusetts's ZIP codes, delivering to addresses in Siasconset, Nantucket County.

City: Siasconset
County: Nantucket County
State: Massachusetts
Prefix: 025xx

Where this code sits

02564 is part of the 025xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Siasconset.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 02564 delivers to without sharing its boundary.

ZIP codes nearest 02564

The ZIP codes whose reference points sit closest to 02564.
ZIP code	Distance	Delivers to
ZIP code 02584	4.4 mi	Nantucket, MA
ZIP code 02554	6.8 mi	Nantucket, MA
ZIP code 02646	29 mi	Harwich Port, MA
ZIP code 02669	29 mi	West Chatham, MA
ZIP code 02659	29 mi	South Chatham, MA
ZIP code 02639	29 mi	Dennis Port, MA
ZIP code 02671	29 mi	West Harwich, MA
ZIP code 02633	29 mi	Chatham, 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 02564, plotted from its record coordinates.

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

Scope ZIP code 02564. 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.