Caller ID for
Area code 771
Area code 771 Washington, District of Columbia
Area code 771 is one of the newer area codes, added in 2021 to District of Columbia, with numbers assigned in Washington. It’s 12:12 AM there now.
- State
- District of Columbia2 area codes in District of Columbia
- Time zone
- Eastern12:12 AM there now
- Exchanges
- 721 place
- Overlay
- 202Same area, 10-digit dialing
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 771 is
Numbers in 771 are assigned to 1 place in 1 county: District of Columbia.
Washington holds most of them: 100% of the exchanges.
- Washington72
Phone companies in 771
72 blocks of numbers in 771 are held by 18 phone companies. The most belong to Inteliquent (13), AT&T (TCG) (10) and Verizon Business (10).
A large share, about 76%, belongs to competitive and internet phone carriers; wireless networks hold 21% and local phone and cable companies 3%.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
771 went into service in 2021, added to the area of 202.
202 (since 1947) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.
72 new exchanges were assigned since 2021, the latest in October 2026.
Calling 771
It’s 12:12 AM Eastern time in 771 right now.
From elsewhere in the U.S., dial 1, 771 and the 7-digit number; inside the area, all 10 digits too.
Nearby area codes
District of Columbia has 2 area codes: 202 and 771.
- 703 · Herndon, VA · about 21 mi
- 571 · Herndon, VA · about 22 mi
- 240 · Frederick, MD · about 33 mi
- 410 · Baltimore, MD · about 34 mi
- 443 · Baltimore, MD · about 35 mi
- 301 · Frederick, MD · about 36 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 771 area code
Map of the 771 area code around Washington, District of Columbia.
Cities on the map
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Questions about 771
Where is area code 771?
In District of Columbia, covering Washington across 1 county.
What time zone is 771 in?
Eastern time. It was 12:12 AM there when this page loaded.
Is 771 an overlay?
Yes. 202 serves the same area, so dial all 10 digits for local calls.
Which phone companies have 771 numbers?
18 companies hold blocks; the most belong to Inteliquent, AT&T (TCG) and Verizon Business. About 21% of blocks are wireless.
Is 771 running out of numbers?
Not on record. 72 new exchanges have been assigned since 2021.