Area Code 503
Area code 503 is associated with Oregon. It connects to 184 ZIP codes across 109 cities, with an estimated combined population of 2,284,468.
Area details
- Area code
- 503
- States covered
- Oregon
- States count
- 1
- ZIP codes
- 184
- Cities
- 109
- Population
- ~2,284,468
Related ZIP codes
Open ZIP state pageAbout area code 503
Area code 503 is a useful lookup entry for Oregon. 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 Oregon lookup pages for ZIP codes and area codes.