ZIP Code 01011

01011 is one of Massachusetts's ZIP codes, delivering to addresses in Chester, Hampden County.

City: Chester
County: Hampden County
State: Massachusetts
Prefix: 010xx

Where this code sits

01011 is part of the 010xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chester.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01011 delivers to without sharing its boundary.

413 Area code 413

ZIP codes nearest 01011

The ZIP codes whose reference points sit closest to 01011.
ZIP code	Distance	Delivers to
ZIP code 01243	5.4 mi	Middlefield, MA
ZIP code 01050	6.0 mi	Huntington, MA
ZIP code 01029	6.9 mi	East Otis, MA
ZIP code 01008	7.2 mi	Blandford, MA
ZIP code 01098	7.8 mi	Worthington, MA
ZIP code 01253	8.0 mi	Otis, MA
ZIP code 01223	8.7 mi	Becket, MA
ZIP code 01084	9.7 mi	West Chesterfield, 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 01011, plotted from its record coordinates.

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

Scope ZIP code 01011. 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.