503 Area Code - Location, Time, Map, Cities and Census Data - ZIP-Codes.com
https://www.zip-codes.com/area-code/area-code-503.asp
WebMar 1, 2024 · Important 503 Area Code Information. Area Code 503 is located in Oregon. It covers 74 cities, including Portland, Salem, Gresham, Hillsboro, and Beaverton. It also covers 10 counties, including Multnomah County, Washington County, Marion County, Polk County, and Clackamas County. A full list of covered cities and counties is below …
DA: 95 PA: 1 MOZ Rank: 44