top of page


area code

Biggest city:





Eastern (GMT -5)

Nearby area codes: 

Zip codes



Major Cities:

Baltimore, Columbia, Ellicott City, Elkridge, Glen Burnie, Severn, Annapolis, Severna Park, Odenton, Crofton, Pasadena, Arnold, Lake Shore, Ferndale, Brooklyn Park, Riviera Beach


Average Income:





Unemployment Rate:

The 667 area code is a significant part of Maryland's telecommunications network, serving a densely populated region of the state and playing a crucial role in connecting its communities. An Overlay in Central Maryland: Introduced in 2012 as an overlay to the existing 410 and 443 area codes, the 667 area code covers the same geographic area, including Baltimore, Annapolis, and parts of the eastern shore of Maryland. This addition was necessary to meet the increasing demand for new phone numbers in this urbanized and rapidly growing region. Supporting a Diverse Urban Population: The region served by the 667/410/443 area code combination is known for its economic prosperity, cultural diversity, and significant historical heritage. Baltimore, as the largest city in Maryland, is a major center for healthcare, education, and maritime activities. The area codes support the high volume of communication required by these communities and their varied activities. Adapting to Demographic and Technological Changes: The implementation of the 667 area code as an overlay to 410 and 443 reflects Maryland's adaptation to urban expansion, technological advancements, and demographic shifts. It ensures a continuous supply of phone numbers for new residents and businesses, signifying the region's ongoing development and its capacity to adapt to changing telecommunications needs. The 667 area code, along with the 410 and 443 area codes, is more than just a set of digits; it's a symbol of central Maryland's adaptability, diversity, and economic vitality, playing a critical role in connecting the area's densely populated communities and supporting its dynamic economy.
bottom of page