Town Chart.

← Look up another ZIP code · All towns in New York

ZIP code 11722

Central Islip, NY · Suffolk County

About ZIP code 11722

  • ZIP code 11722 is in Central Islip, Suffolk County, New York.
  • About 39,033 people live in it, which is 2,162.9 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 40.784, -73.197.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Central Islip, NY

ZIP code 11722 is the post office name for Central Islip, NY. 38,373 people live in Central Islip. Typical household income is $113,707. A typical home costs $436,400.

  • Stronger than most towns on: Diversity & community, Walkability and Dining and entertainment.
  • Weaker than most towns on: Cost of living, Property taxes and State taxes.

See all figures for Central Islip

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.