Area Code Center The Complete US Area Code & Location Directory
US Area Codes
Tennessee

901 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 901 area code serves Memphis and the southwestern corner of Tennessee. Created in 1954 when it split from 615, 901 covers…

Tennessee
Maryland

443 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 443 area code is an overlay serving eastern Maryland, including Baltimore, Annapolis, and the Eastern Shore. Introduced in 1997, it was…

Maryland
Maryland

667 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 667 area code is an overlay serving eastern Maryland, including Baltimore, Annapolis, and the Eastern Shore. Introduced in 2012, it was…

Maryland
Maryland

301 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 301 area code serves western Maryland and the Washington, D.C. suburbs. One of the original area codes assigned in 1947, 301…

Maryland
Maryland

240 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 240 area code is an overlay serving western Maryland and the Washington, D.C. suburbs. Introduced in 1997, it was layered directly…

Maryland
Maryland

410 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 410 area code serves eastern Maryland, including the city of Baltimore, the state capital of Annapolis, and the entire Eastern Shore.…

Maryland
Massachusetts

978 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 978 area code serves northeastern Massachusetts, covering the Merrimack Valley and North Shore. Created in 1997 when it split from the…

Massachusetts
Massachusetts

351 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 351 area code is an overlay covering northeastern Massachusetts. Introduced in 2001, it was layered directly on top of the existing…

Massachusetts
Massachusetts

413 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 413 area code covers all of western Massachusetts. One of the original area codes assigned in 1947, 413 serves the Pioneer…

Massachusetts
Massachusetts

774 Area Code: Location, Time Zone, Major Cities & Scam Alerts

The 774 area code is an overlay serving central and southeastern Massachusetts, layered over the 508 code across Worcester, the South Coast,…

Massachusetts