The 771 area code covers the same area as 202, including Washington in Washington, D.C..
771 has been in service since 2021, on Eastern Time. 202 covers the same area, so two neighbours can have different area codes.
- Where
- District of Columbia, Washington, D.C.
- Time zone
- Eastern Time
- In service since
- 2021
- Shares its area with
- 202 (since 1947)
- Prefixes in use
- 71
- How to dial
- Local calls need all 10 digits: 771-555-0142.
Find out who called you from a 771 number.
Enter the full 10-digit number to see who it is listed to, where it is registered, and whether it is a mobile, landline or VoIP line.
Washington holds every phone prefix in area code 771.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 71 prefixes in use shows where 771 numbers are actually given out.
- Washington71 prefixes, 100%
771 started in 2021 as an overlay on 202, and its ground has not changed since.
2021
771 starts as an overlay on 202: new numbers on the same ground.
A 771 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
These are the questions people ask most about area code 771.
Where is area code 771?
771 covers Washington in Washington, D.C., in District of Columbia.
What time zone is area code 771 in?
771 is on Eastern Time.
Is 771 the same area as 202?
Yes. 202 (since 1947) covers the same ground as 771. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 771 number?
Local calls need all 10 digits: 771-555-0142.
Who called me from a 771 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 771 a scam?
771 is a real Washington, D.C. area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.