Buy a Local Phone Number – Area Code 410 (Baltimore, Maryland)

Assigned in 1991 from a split of 301, area code 410 serves Baltimore, Annapolis, and the Chesapeake Bay counties. To manage growth, it was overlaid by 443 in the late 1990s and 667 in the early 2010s, entrenching ten-digit dialing. The territory ties together an Atlantic seaport, rail corridors, and the Baltimore–Washington research belt, creating a mixed economy where legacy manufacturing sites have been repurposed for logistics and advanced industry.

• Port and logistics: autos, containers, roll-on/roll-off; Tradepoint Atlantic at Sparrows Point.
• Healthcare and research: Johns Hopkins, University of Maryland; biotech and clinical services.
• Defense, cyber, and intelligence: Fort Meade/NSA, Aberdeen Proving Ground, major contractors.
• Education and workforce: universities, community colleges, and specialized training pipelines.
• Tourism and culture: Inner Harbor, museums, sports venues, and waterfront festivals.

Regional identity blends a working-waterfront ethos with strong African American heritage, rowhouse neighborhoods, and Chesapeake foodways—especially steamed blue crabs and pit beef. Local speech and music scenes, including Baltimore Club, reflect a city-centered culture that radiates to suburbs along I-95 and to Eastern Shore towns. Economic shifts from steelmaking to logistics and cybersecurity have reshaped commuting patterns and suburban growth, while anchor institutions and professional sports provide shared civic reference points across Baltimore City and surrounding counties.