ZIP Code 01420

01420 is one of Massachusetts's ZIP codes, delivering to addresses in Fitchburg, Worcester County.

City: Fitchburg
County: Worcester County
State: Massachusetts
Prefix: 014xx

Where this code sits

01420 is part of the 014xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fitchburg.

Fitchburg Massachusetts ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01420 delivers to without sharing its boundary.

ZIP codes nearest 01420

The ZIP codes whose reference points sit closest to 01420.
ZIP code	Distance	Delivers to
ZIP code 01462	3.9 mi	Lunenburg, MA
ZIP code 01453	4.3 mi	Leominster, MA
ZIP code 01473	5.8 mi	Westminster, MA
ZIP code 01441	5.9 mi	Westminster, MA
ZIP code 01431	6.6 mi	Ashby, MA
ZIP code 01474	6.6 mi	West Townsend, MA
ZIP code 01469	7.7 mi	Townsend, MA
ZIP code 01464	7.9 mi	Shirley, 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 01420, plotted from its record coordinates.

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

Scope ZIP code 01420. 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.