ZIP Code 12740

12740 is one of New York's ZIP codes, delivering to addresses in Grahamsville, Sullivan County.

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

Where this code sits

12740 is part of the 127xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Grahamsville.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 12740 delivers to without sharing its boundary.

ZIP codes nearest 12740

The ZIP codes whose reference points sit closest to 12740.
ZIP code	Distance	Delivers to
ZIP code 12765	5.6 mi	Neversink, NY
ZIP code 12725	5.9 mi	Claryville, NY
ZIP code 12788	8.6 mi	Woodbourne, NY
ZIP code 12759	10 mi	Loch Sheldrake, NY
ZIP code 12435	11 mi	Greenfield Park, NY
ZIP code 12458	11 mi	Napanoch, NY
ZIP code 12768	12 mi	Parksville, NY
ZIP code 12489	12 mi	Wawarsing, 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 12740, plotted from its record coordinates.

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

Scope ZIP code 12740. 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.