White Plains, Maryland

ZIP codes in White Plains

Area codes for White Plains

• 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

White Plains is in the Eastern Time zone.

Towns near White Plains

• Pomfret2.1 km (1.3 mi)
• Bensville2.1 km (1.3 mi)
• Waldorf5.1 km (3.2 mi)
• La Plata8 km (5.0 mi)
• Accokeek8.6 km (5.3 mi)
• Bryans Road9 km (5.6 mi)
• Port Tobacco11.8 km (7.3 mi)
• Potomac Heights12.3 km (7.6 mi)