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US area code · District of Columbia

Area code 771

Where the 771 area code is, its overlay and how to dial a +1 771 number from anywhere.

CoversWashington, D.C., District of ColumbiaTime zoneEastern (ET)TypeOverlay
Quick answer

The 771 area code is in Washington, D.C., District of Columbia, United States (Eastern (ET)). To call from abroad: +1 771 555-0123. It is an overlay, so all 10 digits are dialled.

StateDistrict of Columbia
Main areaWashington, D.C.
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since22-Sep-2020

The 771 area code is a geographic North American Numbering Plan (NANP) code covering Washington, D.C., District of Columbia. It has been in service since 22-Sep-2020 and sits in the Eastern (ET) time zone.

Overlay 771 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

How to dial a 771 number

From abroad+1 771 555-0123
Within the US / Canada1 771 555-0123
Locally (same area)771 555-0123

Other District of Columbia area codes

Frequently asked questions

Where is the 771 area code?

The 771 area code is in Washington, D.C., District of Columbia, United States (Eastern (ET)).

Is 771 an overlay area code?

Yes. 771 overlays the same region as 202, so callers dial all 10 digits.

Do I have to dial 10 digits for 771?

Yes — dial the area code plus the seven-digit number.

How do I call a 771 number from another country?

Dial your exit code (or +), then 1, then 771, then the number: +1 771 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 771 number does not pinpoint a street or ZIP code.

Missed a call from +1 771?

In the 30 days to September 24, 2026, 612 unwanted calls showing a 771 number were reported to the US Federal Trade Commission, 58% of them recorded messages or robocalls. That puts 771 at #134 of 670 area codes reported.

Other258
Dropped call or no message132
Reducing your debt (credit cards, mortgage, student loans)93
Calls pretending to be government, businesses, or family and friends87
Before you call back
  • If you do not know anyone in District of Columbia, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 771 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 771 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 771:

Onvoy, LLC 12Teleport Communications America, LLC 10Mcimetro Access Transmission Services LLC 10Multiple Ocn Listing 9Bandwidth.Com CLEC, LLC 7New Cingular Wireless PCS, LLC 5

About 10.7% of the 84 prefixes in use belong to mobile carriers: a 771 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 771 — cities & rate centres