Area Code 509
Area code 509 is associated with Washington. It connects to 258 ZIP codes across 219 cities, with an estimated combined population of 1,491,389.
Area details
- Area code
- 509
- States covered
- Washington
- States count
- 1
- ZIP codes
- 258
- Cities
- 219
- Population
- ~1,491,389
Related ZIP codes
Open ZIP state pageAbout area code 509
Area code 509 is a useful lookup entry for Washington. It helps connect phone-number geography with ZIP code coverage, city clusters, and state-level browsing. Use the related ZIP cards above to move deeper into the postal data for this region.
If you are browsing by state, you can continue with Washington lookup pages for ZIP codes and area codes.