District of Columbia area codes
- Area codes in
- 2
- State
- District of Columbia
- District of Columbia is served by 2 area codes, from 202 in 1947 to 771 in 2021. 1 of them are overlays, added as older codes filled up.
- Updated 8 October 2026
Now in District of Columbia
Eastern Time · UTC−5, UTC−4 in summer
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Eastern Time
Typical business hours, 9 to 5 Monday to Friday.
Typical business hours, 9 to 5 Monday to Friday, shown as the blue arc. A guide to when a real District of Columbia office is likely to answer. It says nothing about who called you.
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All area codes in District of Columbia
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District of Columbia area codes by city
These are the District of Columbia cities served by more than one area code, or whose code also covers a wider area.
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Overlay codes and dialling rules in District of Columbia
1 of District of Columbia’s 2 area codes are overlays — a second code laid over an existing footprint instead of splitting it. Wherever an overlay operates, local calls require the full ten-digit number.
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Spam call reports in District of Columbia
These District of Columbia area codes drew the most reports to the FTC in the 30 days to 8 October 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported District of Columbia area codes · last 30 days
| # | Code | Primary city | Reports (30 days) |
|---|---|---|---|
| 1 | 202 | Washington | 860 |
| 2 | 771 | Washington | 333 |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 8 October 2026. Request a correction. Month-over-month figures appear once two complete 30-day windows exist.
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Questions
How many area codes does District of Columbia have?
District of Columbia has 2 area codes: 202, 771.
What is the main area code for Washington?
The main area code for Washington is 202.
Which District of Columbia area code is oldest?
Area code 202 is the oldest in District of Columbia, in service since 1947.
Do I need to dial ten digits in District of Columbia?
Yes, wherever an overlay operates. 1 of District of Columbia’s area codes are overlays, and local calls within an overlay area require the full ten-digit number.
Which District of Columbia area code gets the most spam calls?
Area code 202 (Washington) drew the most reports of any District of Columbia code in the 30 days to 8 October 2026, with 860 numbers reported.
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