Syosset, New York

ZIP codes in Syosset

Area codes for Syosset

• 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

Syosset is in the Eastern Time zone.

Towns near Syosset

• Woodbury2.6 km (1.6 mi)
• Muttontown2.9 km (1.8 mi)
• East Norwich4.1 km (2.5 mi)
• Jericho4.4 km (2.7 mi)
• Oyster Bay Cove4.5 km (2.8 mi)
• Laurel Hollow4.5 km (2.8 mi)
• Plainview5 km (3.1 mi)
• Oyster Bay5.5 km (3.4 mi)