Central Islip, New York
Area codes 631, 934 · Population: 34,450
Eastern (ET)
New York
Pop. 34,450
Area Codes Serving Central Islip
About Central Islip, New York
Central Islip is a city in New York that is served by area codes 631, 934. The city has a population of approximately 34,450 residents and is located in the Eastern Time Zone.