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, re ...

s in the

North American Numbering Plan The North American Numbering Plan (NANP) is a 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 and has the international calling ...

(NANP) for the major part 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 sove ...

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idah ...

, excluding only the northwestern part 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 * Eugene (actress) (born 1981), Kim Yoo-jin, South Korean actress and former member of the sin ...

, 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 The Dalles is the largest city of Wasco County, Oregon, United States. The population was 16,010 at the 2020 census, and it is the largest city on the Oregon side of the Columbia River between the Portland Metropolitan Area, and Hermist ...

, Burns, Lakeview, and Pendleton, as well as the

coast The coast, also known as the coastline or seashore, is defined as the area where land meets the ocean, or as a line that forms the boundary between the land and the coastline. The Earth has around of coastline. Coasts are important zones in n ...

al region from Lincoln County to the

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...

border. Area code 541 was created in an area code split from area code 503 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 area code 541 began service. The split cut 503 back to the heavily populated northwest corner of the state, including

Portland Portland most commonly refers to: * Portland, Oregon, the largest city in the state of Oregon, in the Pacific Northwest region of the United States * Portland, Maine, the largest city in the state of Maine, in the New England region of the northeas ...

and Salem, while the rest of the state received area code 541. This was intended as a long-term solution, as northwest Oregon has the great majority of Oregon's landlines and cell phones. However, by 2007, 541 was on the brink of exhaustion due to the proliferation of cell phones and pagers, particularly in Eugene, Corvallis and Medford. The numbering plan area is divided among four

local access and transport area Local access and transport area (LATA) is a term used in U.S. telecommunications regulation. It represents a geographical area of the United States under the terms of the Modification of Final Judgment (MFJ) entered by the United States Distric ...

s (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 runs th ...

is part of the

Boise Boise (, , ) is the capital and most populous city of the U.S. state of Idaho and is the county seat of Ada County. On the Boise River in southwestern Idaho, it is east of the Oregon border and north of the Nevada border. The downtown ...

/southern

Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and W ...

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, about north from Lake Tahoe, known as "The Biggest Little City in the World". Known for its casino and tourism industry, Reno is the c ...

/northern

Nevada Nevada ( ; ) is a state in the Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the 7th-most extensive, ...

LATA, while part of northeast Oregon is in the

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

LATA. To mitigate central office code exhaustion, the Oregon Public Utility Commission approved a number overlay 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 that are members 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 telep ...

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.

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

458 central offices

References

External links

{{DEFAULTSORT:Area Code 541

541 __NOTOC__ Year 541 ( 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 Basilius without colleague (or, less frequently, year 1294 ''Ab urbe condita''). Ba ...

1995 establishments in Oregon

History

541 central offices

458 central offices

See also

References

External links