Lake Ronkonkoma, New York

Nearest ZIP codes to Lake Ronkonkoma

These are the ZIP codes nearest to Lake Ronkonkoma, each listed with the post office it is named after.

Area codes for Lake Ronkonkoma

• 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 Ronkonkoma is in the Eastern Time zone.

Towns near Lake Ronkonkoma

• Ronkonkoma2.8 km (1.7 mi)
• Lake Grove2.9 km (1.8 mi)
• Nesconset3.4 km (2.1 mi)
• Holbrook5.1 km (3.2 mi)
• Centereach5.2 km (3.2 mi)
• Islandia5.5 km (3.4 mi)
• St. James6.1 km (3.8 mi)
• Farmingville6.1 km (3.8 mi)