ZIP Code 01740

01740 is one of Massachusetts's ZIP codes, delivering to addresses in Bolton, Worcester County.

City: Bolton
County: Worcester County
State: Massachusetts
Prefix: 017xx

Where this code sits

01740 is part of the 017xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bolton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01740 delivers to without sharing its boundary.

ZIP codes nearest 01740

The ZIP codes whose reference points sit closest to 01740.
ZIP code	Distance	Delivers to
ZIP code 01467	3.5 mi	Still River, MA
ZIP code 01503	3.9 mi	Berlin, MA
ZIP code 01749	3.9 mi	Hudson, MA
ZIP code 01561	4.0 mi	South Lancaster, MA
ZIP code 01510	4.0 mi	Clinton, MA
ZIP code 01523	4.2 mi	Lancaster, MA
ZIP code 01451	4.6 mi	Harvard, MA
ZIP code 01775	4.7 mi	Stow, 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 01740, plotted from its record coordinates.

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

Scope ZIP code 01740. 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.