Old Westbury, New York

ZIP codes in Old Westbury

Area codes for Old Westbury

• Area code 516

  In service since 1951. Shares its area with 363. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 363

  In service since January 20, 2023. Shares its area with 516. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.

Time zone

Old Westbury is in the Eastern Time zone.

Towns near Old Westbury

• Brookville2.6 km (1.6 mi)
• Port Washington3.4 km (2.1 mi)
• East Hills3.6 km (2.2 mi)
• New Cassel3.6 km (2.2 mi)
• Westbury3.8 km (2.4 mi)
• Greenvale4.2 km (2.6 mi)
• Jericho4.3 km (2.7 mi)
• Roslyn Heights4.5 km (2.8 mi)