ZIP Code 12588

12588 is one of New York's ZIP codes, delivering to addresses in Walker Valley, Ulster County.

City: Walker Valley
County: Ulster County
State: New York
Prefix: 125xx

Where this code sits

12588 is part of the 125xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Walker Valley.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12588 delivers to without sharing its boundary.

ZIP codes nearest 12588

The ZIP codes whose reference points sit closest to 12588.
ZIP code	Distance	Delivers to
ZIP code 12420	2.5 mi	Cragsmoor, NY
ZIP code 12566	2.9 mi	Pine Bush, NY
ZIP code 12722	3.0 mi	Burlingham, NY
ZIP code 12483	3.2 mi	Spring Glen, NY
ZIP code 12769	3.3 mi	Phillipsport, NY
ZIP code 12781	3.9 mi	Summitville, NY
ZIP code 10985	5.0 mi	Thompson Ridge, NY
ZIP code 12721	5.5 mi	Bloomingburg, NY

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 12588, plotted from its record coordinates.

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

Scope ZIP code 12588. 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.