ZIP Code 12457

12457 is one of New York's ZIP codes, delivering to addresses in Mount Tremper, Ulster County.

City: Mount Tremper
County: Ulster County
State: New York
Prefix: 124xx

Where this code sits

12457 is part of the 124xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Tremper.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12457 delivers to without sharing its boundary.

ZIP codes nearest 12457

The ZIP codes whose reference points sit closest to 12457.
ZIP code	Distance	Delivers to
ZIP code 12448	2.8 mi	Lake Hill, NY
ZIP code 12412	2.8 mi	Boiceville, NY
ZIP code 12495	2.9 mi	Willow, NY
ZIP code 12416	3.8 mi	Chichester, NY
ZIP code 12464	4.5 mi	Phoenicia, NY
ZIP code 12409	4.8 mi	Bearsville, NY
ZIP code 12481	5.0 mi	Shokan, NY
ZIP code 12433	5.6 mi	Glenford, 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 12457, plotted from its record coordinates.

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

Scope ZIP code 12457. 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.