List of Oregon area codes
- List of Oregon area codes
This is a "'list of telephone area codes in the state of Oregon.
503: The northwestern corner of Oregon, including Portland and its metropolitan area, Salem and other cities
541: All of Oregon outside the northwestern corner, including Eugene
971: An overlay of area code 503. Until 2008, 971 was a concentrated overlay, meaning it was only present in some parts of the 503 area. Today, however, it is a standard overlay.
Under the original North American Numbering Plan of 1947, area code 503 covered all of Oregon. Area code 541 was split off in 1995, and the 971 overlay became active in 2000.
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