ZIP Code 01540

01540 is one of Massachusetts's ZIP codes, delivering to addresses in Oxford, Worcester County.

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

Where this code sits

01540 is part of the 015xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Oxford.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01540 delivers to without sharing its boundary.

ZIP codes nearest 01540

The ZIP codes whose reference points sit closest to 01540.
ZIP code	Distance	Delivers to
ZIP code 01537	3.7 mi	North Oxford, MA
ZIP code 01570	4.3 mi	Webster, MA
ZIP code 01571	4.6 mi	Dudley, MA
ZIP code 01586	5.2 mi	West Millbury, MA
ZIP code 01507	5.3 mi	Charlton, MA
ZIP code 01590	5.9 mi	Sutton, MA
ZIP code 01542	6.3 mi	Rochdale, MA
ZIP code 01526	6.3 mi	Manchaug, 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 01540, plotted from its record coordinates.

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

Scope ZIP code 01540. 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.