Wheaton, Maryland

Nearest ZIP codes to Wheaton

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

Area codes for Wheaton

• 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

Wheaton is in the Eastern Time zone.

Towns near Wheaton

• North Kensington1.6 km (1.0 mi)
• Glenmont2.5 km (1.6 mi)
• Kensington3 km (1.9 mi)
• Kemp Mill3.3 km (2.1 mi)
• Garrett Park3.3 km (2.1 mi)
• Forest Glen3.6 km (2.2 mi)
• South Kensington3.8 km (2.4 mi)
• Chevy Chase View3.9 km (2.4 mi)