Mountain Lakes, New Jersey

ZIP codes in Mountain Lakes

Area codes for Mountain Lakes

• Area code 973

  In service since June 1, 1997. Shares its area with 862. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 862

  In service since December 29, 2001. Shares its area with 973. 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

Mountain Lakes is in the Eastern Time zone.

Towns near Mountain Lakes

• Rainbow Lakes2.1 km (1.3 mi)
• Boonton3.3 km (2.1 mi)
• Denville3.6 km (2.2 mi)
• Mount Tabor3.7 km (2.3 mi)
• Parsippany4 km (2.5 mi)
• Lake Hiawatha5 km (3.1 mi)
• Troy Hills5.8 km (3.6 mi)
• Morris Plains6.2 km (3.9 mi)