Area Code 771

District of Columbia (DC) • Washington, Naval Anacost Annex, Washington Navy Yard • Eastern Time (ET)

What Stands Out

•Coverage: 681.3K people across 56 ZIP codes (primarily District of Columbia, DC).
•Overlapping area codes: 202.
•Major cities: Washington, Naval Anacost Annex, Washington Navy Yard.

Spotlight: Coverage

Snapshot highlights for area code 771.

Income

88th

Home values

95th

Poverty rate

70th

Area Code Basics

Primary State

District of Columbia (DC)

States Served

District of Columbia (DC)

Major Cities

Washington, Naval Anacost Annex, Washington Navy Yard

Time Zone(s)

Eastern Time (ET)

Est. Population

681.3K

ZIP Codes

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area-code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.