Receive a local area code
667
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Economic Overview
The 667 area code region is a major economic hub in Maryland, anchored by the city of Baltimore and surrounding communities. Major industries include healthcare, education, shipping and transportation, finance, and government, with leading employers such as Johns Hopkins University, Johns Hopkins Hospital, the University of Maryland Medical System, and the Port of Baltimore. The area also benefits from a diverse small business sector and proximity to major government and defense installations.
Geographical Overview
Area code 667 covers much of central Maryland, including the city of Baltimore and portions of Baltimore County, Anne Arundel County, Harford County, Howard County, and Carroll County. Key cities and communities within this area code include Baltimore, Towson, Columbia, Glen Burnie, Dundalk, Ellicott City, and Catonsville. It is an overlay area code, sharing the same geographic region as 410 and 443.
Location Info
Area code 667 does not correspond to a specific, exclusive geographic boundary, but rather overlays the 410 and 443 codes in central Maryland. It encompasses the entire city of Baltimore and its immediate suburbs to the north, south, east, and west, stretching from the Chesapeake Bay in the east to the western suburbs near Carroll County. The region borders the 301 and 240 area codes to the west and south.
Population Demographics
The 667 area code region is home to a diverse population, with significant African American, White, Hispanic, and Asian communities. The population includes urban residents in Baltimore, as well as suburban and some semi-rural populations in the surrounding counties, representing a wide range of socioeconomic backgrounds. The total population in the overlay region exceeds 2.5 million people.
Time Zone Info
Area code 667 is located in the Eastern Time Zone (ET), observing both Eastern Standard Time (EST) and Eastern Daylight Time (EDT) during daylight saving.
Other Area Code Details
Area code 667 was introduced in 2012 as an overlay to accommodate the growing demand for phone numbers in the Baltimore metropolitan area. The addition of this code required 10-digit dialing for local calls within the region. Baltimore, at the core of the region, is known for its historic Inner Harbor, vibrant arts scene, and as the birthplace of the U.S. national anthem.
