ZIP Code 01951

01951 is one of Massachusetts's ZIP codes, delivering to addresses in Newbury, Essex County.

City: Newbury
County: Essex County
State: Massachusetts
Prefix: 019xx

Where this code sits

01951 is part of the 019xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Newbury.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01951 delivers to without sharing its boundary.

ZIP codes nearest 01951

The ZIP codes whose reference points sit closest to 01951.
ZIP code	Distance	Delivers to
ZIP code 01950	2.8 mi	Newburyport, MA
ZIP code 01952	4.7 mi	Salisbury, MA
ZIP code 01922	4.8 mi	Byfield, MA
ZIP code 01969	5.7 mi	Rowley, MA
ZIP code 01985	6.7 mi	West Newbury, MA
ZIP code 01913	6.7 mi	Amesbury, MA
ZIP code 01938	7.1 mi	Ipswich, MA
ZIP code 03874	7.1 mi	Seabrook, NH

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 01951, plotted from its record coordinates.

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

Scope ZIP code 01951. 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.