Round Lake, New York

ZIP codes in Round Lake

Area codes for Round Lake

• Area code 518

  In service since 1947. Shares its area with 838. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 838

  In service since September 19, 2017. Shares its area with 518. 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

Round Lake is in the Eastern Time zone.

Towns near Round Lake

• Country Knolls2.5 km (1.6 mi)
• Mechanicville5.3 km (3.3 mi)
• Ballston Lake5.7 km (3.5 mi)
• Clifton Park8.3 km (5.2 mi)
• Clifton Knolls-Mill Creek8.4 km (5.2 mi)
• Clifton Gardens8.6 km (5.3 mi)
• Burnt Hills9 km (5.6 mi)
• Ballston Spa10.3 km (6.4 mi)