Area Code Lookup
What Area Code Is Washington?
5 area codes serve Washington
Washington is served by area codes 252, 319, 636, 878, 908. It spans North Carolina and Iowa and Missouri and Pennsylvania and New Jersey.
Area Codes Serving Washington
Frequently Asked Questions
What area code is Washington?
Washington is served by area codes 252, 319, 636, 878, 908.
Why does Washington 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 now has 5 area codes — 252 and 319 and 636 and 878 and 908 — covering the same or overlapping areas.
How do I call Washington from outside the US?
To call Washington from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-252-XXX-XXXX). The +1 is the country code for all NANPA countries.