Area Code Lookup
What Area Code Is Washington Zone 1?
2 area codes serve Washington Zone 1 · Washington D.C.
Washington Zone 1 is served by area codes 202, 771. It is located in Washington D.C..
Area Codes Serving Washington Zone 1
Frequently Asked Questions
What area code is Washington Zone 1?
Washington Zone 1 is served by area codes 202, 771. It is located in Washington D.C..
Why does Washington Zone 1 have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Washington Zone 1 now has 2 area codes — 202 and 771 — covering the same or overlapping areas.
How do I call Washington Zone 1 from outside the US?
To call Washington Zone 1 from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-202-XXX-XXXX). The +1 is the country code for all NANPA countries.