Lake Grove, New York

ZIP codes in Lake Grove

Area codes for Lake Grove

• Area code 631

  In service since November 1, 1999. Shares its area with 934. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 934

  In service since July 16, 2016. Shares its area with 631. 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

Lake Grove is in the Eastern Time zone.

Towns near Lake Grove

• Nesconset2.9 km (1.8 mi)
• Lake Ronkonkoma2.9 km (1.8 mi)
• Centereach3.3 km (2.1 mi)
• St. James3.7 km (2.3 mi)
• Saint James4.5 km (2.8 mi)
• Ronkonkoma5.5 km (3.4 mi)
• Village of the Branch5.5 km (3.4 mi)
• Head of the Harbor5.9 km (3.7 mi)