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  5. Area Code 410

Where Is Area Code 410?

Area code 410 is found in the US state of Maryland. Primarily servicing the city of Baltimore (population: 630667), area code 410 covers 17 counties of Maryland.

Located in the Eastern time zone, area code 410 is on the same time as New York, NY.

Area code 410 was brought into effect on October 6, 1991. 410 was split from the parent 301 area code.

Map of  with area code 410 highlighted

Counties in Area Code 410

  • Anne Arundel,
  • Baltimore,
  • Baltimore City,
  • Calvert,
  • Caroline,
  • Carroll,
  • Cecil,
  • Dorchester,
  • Frederick,
  • Harford,
  • Howard,
  • Kent,
  • Queen Annes,
  • Somerset,
  • Talbot,
  • Wicomico,
  • Worcester.

Most Populous Cities in Area Code 410

City County City Population Time Zone
Baltimore Baltimore City 630,667 EST
Columbia Howard 99,159 EST
Annapolis Anne Arundel 94,301 EST
Glen Burnie Anne Arundel 84,885 EST
Ellicott City Howard 83,750 EST
Parkville Baltimore 70,699 EST
Salisbury Wicomico 69,863 EST
Bel Air Harford 64,798 EST
Pasadena Anne Arundel 62,021 EST
Westminster Carroll 57,182 EST
Dundalk Baltimore 56,619 EST
Owings Mills Baltimore 54,608 EST
Gwynn Oak Baltimore 48,665 EST
Catonsville Baltimore 48,307 EST
Elkton Cecil 44,729 EST
Towson Baltimore 42,983 EST
Essex Baltimore 42,804 EST
Middle River Baltimore 39,804 EST
Nottingham Baltimore 39,065 EST
Sykesville Carroll 38,049 EST
Lutherville Timonium Baltimore 37,027 EST
Windsor Mill Baltimore 35,145 EST
Pikesville Baltimore 34,411 EST
Reisterstown Baltimore 34,287 EST
Halethorpe Baltimore 34,039 EST

Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.

View all United States Area Codes.

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This page was last modified on July 3, 2015.