Find the last 4 digits (ZIP+4) for an address in 11717

ZIP 11717, Brentwood, NY is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 11717 – Brentwood, NY

Brentwood, New York · Suffolk County · Eastern time

ZIP code11717
CityBrentwood
StateNew York
CountySuffolk County
PopulationNot published (no Census ZIP area)
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area10.74 sq mi
Center (lat, long)40.7841, -73.2522

Area codes in this area

631934

These are the area codes that most often serve ZIP 11717 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

11722 Central Islip · 2.9 mi11788 Hauppauge · 3.1 mi11729 Deer Park · 4.1 mi11725 Commack · 4.2 mi11751 Islip · 4.2 mi11752 Islip Terrace · 4.4 mi11749 Islandia · 4.5 mi11718 Brightwaters · 4.7 mi

About ZIP 11717

ZIP code 11717 is assigned to Brentwood, New York. It lies in Suffolk County. Its Census area covers about 10.74 square miles of land. The closest neighboring ZIP is 11722 (Central Islip), about 2.9 miles away.

Every address in 11717 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources