Mountain Lake Park, Maryland

Nearest ZIP codes to Mountain Lake Park

This is the ZIP code nearest to Mountain Lake Park, each listed with the post office it is named after.

Area codes for Mountain Lake Park

• Area code 301

  In service since 1947. Shares its area with 227 and 240. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 227

  In service since June 14, 2023. Shares its area with 240 and 301. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.

• Area code 240

  In service since June 1, 1997. Shares its area with 227 and 301. 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 Lake Park is in the Eastern Time zone.

Towns near Mountain Lake Park

• Loch Lynn Heights1.2 km (0.7 mi)
• Deer Park5.4 km (3.4 mi)
• Oakland6.7 km (4.2 mi)
• Crellin7.6 km (4.7 mi)
• Hutton8.7 km (5.4 mi)
• Gorman12.2 km (7.6 mi)
• Kitzmiller13.8 km (8.6 mi)
• Swanton14.8 km (9.2 mi)