ZIP Code 01541

01541 is one of Massachusetts's ZIP codes, delivering to addresses in Princeton, Worcester County.

City: Princeton
County: Worcester County
State: Massachusetts
Prefix: 015xx

Where this code sits

01541 is part of the 015xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Princeton.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01541 delivers to without sharing its boundary.

ZIP codes nearest 01541

The ZIP codes whose reference points sit closest to 01541.
ZIP code	Distance	Delivers to
ZIP code 01522	5.2 mi	Jefferson, MA
ZIP code 01564	5.3 mi	Sterling, MA
ZIP code 01546	6.0 mi	Shrewsbury, MA
ZIP code 01653	6.0 mi	Worcester, MA
ZIP code 01655	6.0 mi	Worcester, MA
ZIP code 01543	6.4 mi	Rutland, MA
ZIP code 01441	6.8 mi	Westminster, MA
ZIP code 01452	6.8 mi	Hubbardston, 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 01541, plotted from its record coordinates.

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

Scope ZIP code 01541. 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.