Area codes 541 and 458 are telephone

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

s in the

North American Numbering Plan The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...

(NANP) for most of the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Oregon Oregon ( , ) is a U.S. state, state in the Pacific Northwest region of the United States. It is a part of the Western U.S., with the Columbia River delineating much of Oregon's northern boundary with Washington (state), Washington, while t ...

, excluding only the northwestern corner of the state. The service area includes the cities of

Eugene Eugene may refer to: People and fictional characters * Eugene (given name), including a list of people and fictional characters with the given name * Gene Eugene, stage name of Canadian born actor, record producer, engineer, composer and musi ...

, Springfield, Corvallis, Albany, Medford, Bend, Ashland,

Klamath Falls Klamath Falls ( ) is a city in, and the county seat of, Klamath County, Oregon, United States. The city was originally called ''Linkville'' when George Nurse founded the town in 1867. It was named after the Link River, on whose falls the city wa ...

, The Dalles,

Burns Burns may refer to: Astronomy * 2708 Burns, an asteroid * Burns (crater), on Mercury People * Burns (surname), list of people and characters named Burns ** Burns (musician), Scottish record producer Places in the United States * Burns, ...

, Lakeview, and Pendleton, as well as the

coast A coast (coastline, shoreline, seashore) is the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. Coasts are influenced by the topography of the surrounding landscape and by aquatic erosion, su ...

al region from Lincoln County to the

California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...

border. Area code 541 was created in an

area code split In telecommunications, an area code split is the practice of introducing a new telephone area code by geographically dividing an existing numbering plan area (NPA), and assigning area codes to the resulting divisions, but retaining the existing a ...

from

area code 503 Area codes 503 and 971 are telephone area codes in the North American Numbering Plan (NANP) for the northwestern region of the U.S. state of Oregon. The numbering plan area (NPA) comprises the cities of Portland, Salem, and Astoria. Area code 5 ...

on November 5, 1995. Area code 458 was added to the same service area on February 10, 2010 to form an overlay.

History

Area code 503 was used for the entire state of Oregon until November 5, 1995, when the numbering plan area was reduced to just the populous northwestern corner of the state, including

Portland Portland most commonly refers to: *Portland, Oregon, the most populous city in the U.S. state of Oregon *Portland, Maine, the most populous city in the U.S. state of Maine *Isle of Portland, a tied island in the English Channel Portland may also r ...

and Salem, and area code 541 began service for the rest of the state. This was intended as a long-term solution, as northwest Oregon has the majority of Oregon's landlines and cell phones. However, by 2007, 541 was quickly exhausting central office codes, due to the proliferation of cell phones and pagers, particularly in Eugene, Corvallis and Medford. To mitigate central office code exhaustion, the Oregon Public Utility Commission approved an overlay numbering plan with area code 458 for the entire area, resulting in mandatory

10-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telephone call. When n ...

for that area. Oregon's other area code overlay ( 503/971) already had this requirement. Ten-digit dialing was phased in beginning in July 2009, becoming mandatory in January 2010. The first exchange to be issued in the 458 area code was 205 in Eugene in August 2011. The numbering plan area is divided among four local access and transport areas (LATAs). Most of the numbering plan area is part of the Portland LATA, while the southwest portion is the Eugene LATA.

Malheur County Malheur County (, ) is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 31,571. Its county seat is Vale, and its largest city is Ontario. The county was named after the Malheur River, which ru ...

is part of the

Boise Boise ( ) is the capital and most populous city of the U.S. state of Idaho. As of the 2020 census, there were 235,685 people residing in the city. Located on the Boise River in southwestern Idaho, it is east of the Oregon border and nor ...

/southern

Idaho Idaho ( ) is a landlocked U.S. state, state in the Pacific Northwest and Mountain states, Mountain West subregions of the Western United States. It borders Montana and Wyoming to the east, Nevada and Utah to the south, and Washington (state), ...

LATA and the Quinn, Oregon, exchange, in the

Reno Reno ( ) is a city in the northwest section of the U.S. state of Nevada, along the Nevada–California border. It is the county seat and most populous city of Washoe County, Nevada, Washoe County. Sitting in the High Eastern Sierra foothills, ...

/northern

Nevada Nevada ( ; ) is a landlocked state in the Western United States. It borders Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the seventh-most extensive, th ...

LATA, while part of northeast Oregon is in the

Spokane, Washington Spokane ( ) is the most populous city in eastern Washington and the county seat of Spokane County, Washington, United States. It lies along the Spokane River, adjacent to the Selkirk Mountains, and west of the Rocky Mountain foothills, south o ...

LATA

541 central offices

Note: Certain rate centers in this area code serve more than one city, including: * Eugene, Springfield * Coos Bay, North Bend * Redmond, Terrebonne * Phoenix, Talent * Grants Pass, Wilderville * Oakland, Sutherlin * Roseburg, Winchester * Athena, Weston * Cave Junction, Kerby 976 is assigned to Eugene, and must be accessed with 1-541 first.

458 central offices

NOTE: 976 is assigned to Eugene, and must be accessed with 1-458 first.

References

External links

{{DEFAULTSORT:Area Code 541

541 __NOTOC__ Year 541 (Roman numerals, DXLI) was a common year starting on Tuesday of the Julian calendar. In the Roman Empire, it was known as the Year of the Consulship of Anicius Faustus Albinus Basilius, Basilius without colleague (or, less ...

1995 establishments in Oregon

History

541 central offices

458 central offices

See also

References

External links