ZIP Code 11947

11947 is one of New York's ZIP codes, delivering to addresses in Jamesport, Suffolk County.

City: Jamesport
County: Suffolk County
State: New York
Prefix: 119xx

Where this code sits

11947 is part of the 119xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Jamesport.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 11947 delivers to without sharing its boundary.

ZIP codes nearest 11947

The ZIP codes whose reference points sit closest to 11947.
ZIP code	Distance	Delivers to
ZIP code 11970	0.9 mi	South Jamesport, NY
ZIP code 11948	1.9 mi	Laurel, NY
ZIP code 11931	2.4 mi	Aquebogue, NY
ZIP code 11952	3.9 mi	Mattituck, NY
ZIP code 11901	4.0 mi	Riverhead, NY
ZIP code 11946	6.2 mi	Hampton Bays, NY
ZIP code 11956	6.2 mi	New Suffolk, NY
ZIP code 11935	6.9 mi	Cutchogue, 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 11947, plotted from its record coordinates.

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

Scope ZIP code 11947. 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.