Old Westbury, New York
Area codes 363, 516 · Population: 4,671
Eastern (ET)
New York
Pop. 4,671
Area Codes Serving Old Westbury
About Old Westbury, New York
Old Westbury is a city in New York that is served by area codes 363, 516. The city has a population of approximately 4,671 residents and is located in the Eastern Time Zone.