Oxon Hill, Maryland

ZIP codes in Oxon Hill

Area codes for Oxon Hill

• 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

Oxon Hill is in the Eastern Time zone.

Towns near Oxon Hill

• Glassmanor1.4 km (0.9 mi)
• Forest Heights1.9 km (1.2 mi)
• National Harbor3.1 km (1.9 mi)
• Hillcrest Heights3.7 km (2.3 mi)
• Temple Hills3.9 km (2.4 mi)
• Marlow Heights4.2 km (2.6 mi)
• Fort Washington5.3 km (3.3 mi)
• Friendly5.6 km (3.5 mi)