ZIP Code 01258

01258 is one of Massachusetts's ZIP codes, delivering to addresses in South Egremont, Berkshire County.

City: South Egremont
County: Berkshire County
State: Massachusetts
Prefix: 012xx

Where this code sits

01258 is part of the 012xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Egremont.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 01258 delivers to without sharing its boundary.

413 Area code 413

ZIP codes nearest 01258

The ZIP codes whose reference points sit closest to 01258.
ZIP code	Distance	Delivers to
ZIP code 12517	3.7 mi	Copake Falls, NY
ZIP code 01257	4.9 mi	Sheffield, MA
ZIP code 12516	5.0 mi	Copake, NY
ZIP code 06079	5.5 mi	Taconic, CT
ZIP code 01252	6.8 mi	North Egremont, MA
ZIP code 06068	7.1 mi	Salisbury, CT
ZIP code 12529	7.6 mi	Hillsdale, NY
ZIP code 01222	7.6 mi	Ashley Falls, 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 01258, plotted from its record coordinates.

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

Scope ZIP code 01258. 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.