771 Area Code: Washington, Washington, DC

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Area Code 771 Information

State: Washington, DC
Primary City: Washington
Primary Carrier: T-Mobile

Neighborhood Demographics

Based on US Census data for Washington

34.9 y/o

Median Age

Compared to the US median age of 38.7 y/o

$106.3K

Median Income

Compared to the US median income of $78.5K

$724.6K

Median Home Value

Compared to the US median home value of $303.4K

672.1K

Washington Population

Compared to the US median city population of 171.9K

Active Prefixes in the 771 Area Code

About the 771 Area Code

The 771 area code is an overlay assigned to the District of Columbia, sharing geography with the long-running 202. Washington, DC, anchors the directory's records here. The District sits along the Potomac River between Maryland and Virginia, organized around the L'Enfant-designed grid of avenues and quadrants that radiates from the United States Capitol. The 771 designation, part of the North American Numbering Plan, has been filling with allocations as the District's number demand has continued to push past what 202 alone could support.

Because 771 covers the District alone alongside 202, the directory's records associated with 771 numbers do not surface a recurring set of secondary cities through the routine cross-linkage patterns that dominate larger codes. Where other-place names do appear, they reflect the same kinds of public-record dynamics seen elsewhere — numbers porting between carriers, addresses tied to multiple residences across the surrounding Maryland and Virginia suburbs, and prior registrations surfacing alongside current ones. The directory currently documents 3 distinct prefixes within 771 in detail, an early-stage subset that should be read as the start of working coverage rather than a comprehensive count.

The District's median household income runs above the US figure, supported by the substantial federal and professional-services wage profile. Home values come in well above the national median, the median age sits a few years under the US reading, and population places Washington among the larger cities in the country. The 771 footprint shares those demographics with 202 because both codes serve the District in overlapping form.