Receive a local area code
227
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Economic Overview
The 227 area code region is part of the Washington, D.C. metropolitan area in Maryland, featuring a diverse economy driven by federal government, technology, healthcare, education, and biotechnology sectors. Major employers include the National Institutes of Health, Lockheed Martin, and the University of Maryland. Many residents work in government or government-related industries due to proximity to the nation’s capital.
Geographical Overview
Area code 227 serves parts of central Maryland, primarily covering Montgomery and Prince George’s counties. Key cities and communities in this area include Rockville, Bethesda, Silver Spring, College Park, and Gaithersburg. The region is suburban in character, bordering Washington, D.C.
Location Info
Area code 227 is an overlay for the existing 240 and 301 area codes, covering the same geographic area in west-central Maryland. Its boundaries encompass most of Montgomery and Prince George’s counties, extending from the D.C. boundary northward to Frederick County and westward toward the Potomac River. It does not serve Baltimore or the eastern shore of Maryland.
Population Demographics
The 227 area code region is densely populated and highly diverse, with significant African American, Hispanic, Asian, and international communities. The area is known for its high education levels, median incomes above the national average, and a mix of urban, suburban, and some semi-rural neighborhoods.
Time Zone Info
Area code 227 is located in the Eastern Time Zone (ET).
Other Area Code Details
Area code 227 was introduced in 2023 as an overlay to address number exhaustion in the 240 and 301 regions. The area is notable for its cultural diversity, renowned research institutions, and proximity to major federal agencies and landmarks. Ten-digit dialing is required for all local calls within the 227 area code.
