Silver Spring, Maryland

ZIP codes in Silver Spring

Area codes for Silver Spring

• 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

Silver Spring is in the Eastern Time zone.

Towns near Silver Spring

• Four Corners1.1 km (0.7 mi)
• Forest Glen2.1 km (1.3 mi)
• Kemp Mill2.5 km (1.6 mi)
• Burnt Mills2.6 km (1.6 mi)
• South Kensington4 km (2.5 mi)
• Hillandale4 km (2.5 mi)
• White Oak4.1 km (2.5 mi)
• Takoma Park4.4 km (2.7 mi)