ZIP Code 12777

12777 is one of New York's ZIP codes, delivering to addresses in Forestburgh, Sullivan County.

City: Forestburgh
County: Sullivan County
State: New York
Prefix: 127xx

Where this code sits

12777 is part of the 127xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Forestburgh.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12777 delivers to without sharing its boundary.

ZIP codes nearest 12777

The ZIP codes whose reference points sit closest to 12777.
ZIP code	Distance	Delivers to
ZIP code 12701	5.8 mi	Monticello, NY
ZIP code 12737	7.0 mi	Glen Spey, NY
ZIP code 12743	7.1 mi	Highland Lake, NY
ZIP code 12775	7.7 mi	Rock Hill, NY
ZIP code 12778	8.0 mi	Smallwood, NY
ZIP code 12751	8.4 mi	Kiamesha Lake, NY
ZIP code 12784	8.5 mi	Thompsonville, NY
ZIP code 12780	8.6 mi	Sparrow Bush, 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 12777, plotted from its record coordinates.

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

Scope ZIP code 12777. 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.