Baltimore County Area Codes

About Baltimore County Area Codes

The county of Baltimore County, located in Maryland, is served by 3 telephone area code(s) in this dataset. These calling codes cover cities, suburbs, and unincorporated communities across the county.

Major phone area codes used in Baltimore County include 410, 443, 667. The county mainly follows the America/New_York time zone.

Cities and towns served by these area codes in Baltimore County include Arbutus, Baltimore, Carney, Catonsville, Dundalk, Essex, Lochearn, Middle River, Milford Mill, Parkville, Perry Hall, Pikesville, Randallstown, Reisterstown, Towson.

List of Area Codes in Baltimore County, Maryland

The table below lists all telephone area codes used in Baltimore County, Maryland, along with their associated cities and time zones from this dataset.

Related Area Code Pages

Explore related area code resources on Burning Compass:

• All area codes in Maryland
• Individual area code details are available from the table above.