443 area code

Get a local phone number in Baltimore, MD

Biggest city:

Baltimore

State:

Maryland

Major Cities:

Baltimore, Columbia, Ellicott City, Elkridge, Waterloo, Glen Burnie, Severn, Annapolis, Severna Park, Odenton, Crofton, Pasadena, Arnold, Lake Shore, Ferndale, others

Timezone:

Eastern (GMT -5)

Population:

563,455

Average Income:

$79,399

Zip codes:

21201

21298

Unemployment Rate:

2.40%

Nearby area codes:

202

223

Get a 443 phone number

📲 Get a 443 number: $7/mo

443 area code summary

Area code 443 is an overlay for 410 and 667, serving Baltimore and much of central Maryland, including Annapolis, Columbia, Towson, and the Eastern Shore. Introduced in 1997, 443 accommodates the growing demand for new numbers in the region. Baltimore, the state’s largest city, anchors the area with its strong presence in healthcare, government, education, and logistics. Johns Hopkins University and Hospital are major employers, alongside T. Rowe Price and Under Armour. Nearby Columbia and Towson serve as suburban hubs with business parks, tech startups, and residential communities. The 443 region also touches the Chesapeake Bay, adding maritime, fishing, and tourism economies. A 443 number projects regional credibility throughout central Maryland. Whether you're targeting healthcare, education, small business, or logistics, this area code places your brand in a well-networked, historically rich, and economically diverse market.

Fun fact 💡

Baltimore’s National Aquarium, opened in 1981, draws 1.5 million yearly.

🏢First Phone Company:

Chesapeake & Potomac Telephone Company (later Verizon)

📲 Get a 443 number: $7/mo