Area Code 503

Local Presence for Portland, Salem, Beaverton, Gresham, and Hillsboro

You can increase your connection rate up to 30% by dialing from a local number.

Local Presence by Tenfold gives you one-click access from your existing phone system to a local number in the US area code 503 and more than 200 others.

Reach out to customers in Portland, Salem, Beaverton, Gresham, and Hillsboro.

Source: Wikipedia