Locust Valley, New York

ZIP codes in Locust Valley

Area codes for Locust Valley

• 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

Locust Valley is in the Eastern Time zone.

Towns near Locust Valley

• Lattingtown1.5 km (0.9 mi)
• Matinecock2.7 km (1.7 mi)
• Mill Neck3.4 km (2.1 mi)
• Glen Cove3.5 km (2.2 mi)
• Bayville4 km (2.5 mi)
• Upper Brookville4.6 km (2.9 mi)
• Old Brookville5.1 km (3.2 mi)
• Oyster Bay5.8 km (3.6 mi)