Clinton, Maryland

ZIP codes in Clinton

Area codes for Clinton

• 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

Clinton is in the Eastern Time zone.

Towns near Clinton

• Dhs4.2 km (2.6 mi)
• Fort Washington5.2 km (3.2 mi)
• Friendly5.6 km (3.5 mi)
• Cheltenham5.7 km (3.5 mi)
• Camp Springs5.7 km (3.5 mi)
• Andrews Air Force Base6.2 km (3.9 mi)
• Rosaryville6.6 km (4.1 mi)
• Andrews AFB6.8 km (4.2 mi)