Fort Washington, Maryland

ZIP codes in Fort Washington

Area codes for Fort Washington

• 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

Fort Washington is in the Eastern Time zone.

Towns near Fort Washington

• Camp Springs1.4 km (0.9 mi)
• Temple Hills2.8 km (1.7 mi)
• Marlow Heights3 km (1.9 mi)
• Andrews Air Force Base4.9 km (3.0 mi)
• Morningside4.9 km (3.0 mi)
• Silver Hill4.9 km (3.0 mi)
• Friendly5.1 km (3.2 mi)
• Glassmanor5.2 km (3.2 mi)