List of Oregon area codes
Encyclopedia
This is a list of telephone area codes in the state of Oregon
. It is, as of 2010, one of three states (along with Maryland
and West Virginia
) that is entirely overlaid.
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.
458: An overlay of area code 541.
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.
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
. It is, as of 2010, one of three states (along with Maryland
Maryland
Maryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...
and West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
) that is entirely overlaid.
503: The northwestern corner of Oregon, including Portland
Portland, Oregon
Portland is a city located in the Pacific Northwest, near the confluence of the Willamette and Columbia rivers in the U.S. state of Oregon. As of the 2010 Census, it had a population of 583,776, making it the 29th most populous city in the United States...
and its metropolitan area, Salem
Salem, Oregon
Salem is the capital of the U.S. state of Oregon, and the county seat of Marion County. It is located in the center of the Willamette Valley alongside the Willamette River, which runs north through the city. The river forms the boundary between Marion and Polk counties, and the city neighborhood...
and other cities
541: All of Oregon outside the northwestern corner, including Eugene
Eugene, Oregon
Eugene is the second largest city in the U.S. state of Oregon and the seat of Lane County. It is located at the south end of the Willamette Valley, at the confluence of the McKenzie and Willamette rivers, about east of the Oregon Coast.As of the 2010 U.S...
971: An overlay
Overlay
Overlay may refer to:*Overlay architecture, term used to describe ‘event architecture’ and relates to the temporary elements that supplement existing buildings and infrastructure to enable the operation of major sporting events or festivals....
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.
458: An overlay of area code 541.
Under the original North American Numbering Plan
North American Numbering Plan
The North American Numbering Plan is an integrated telephone numbering plan administered by Neustar which encompasses 24 countries and territories, including the United States and its territories, Canada, Bermuda, and 16 nations of the Caribbean...
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.