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Area code 571 serves the Northern Virginia region, primarily overlaying the 703 area code. Introduced in 2000, it was established to accommodate the area’s rapid population growth and increasing demand for telephone lines. This overlay allows for more numbers while keeping local calling patterns intact.

The region encompasses key locations, including parts of Fairfax County, Prince William County, and the cities of Alexandria, Falls Church, and Manassas. As a technology hub, Northern Virginia is home to numerous government agencies, defense contractors, and technology firms, contributing significantly to the local economy. The area’s proximity to Washington, D.C. further enhances its importance in both telecommunications and business sectors.

In terms of dialing, residents and businesses within the 571 area code must use the ten-digit dialing format due to the overlay with 703. This standardization aids in simplifying calls within the region.

Geographically, the 571 area code showcases a mix of urban and suburban environments, with diverse communities and various commercial centers. The area also features a blend of historical landmarks and modern developments, reflecting the rich cultural heritage of Northern Virginia.

Overall, area code 571 represents a significant urban telecommunications designation that continues to evolve alongside the rapidly developing Northern Virginia landscape.