Area codes 541 and 458
Area codes 541 and 458 are telephone area codes in the North American Numbering Plan (NANP) for most of the U.S. state of Oregon, excluding only the northwestern corner of the state.The service area includes the cities of Eugene, Springfield, Corvallis, Albany, Medford, Bend, Ashland, Klamath Falls, The Dalles, Burns, Lakeview, and Pendleton, as well as the coastal region from Lincoln County to the California border.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.Ten-digit dialing was phased in beginning in July 2009, becoming mandatory in January 2010.Malheur County is part of the Boise/southern Idaho LATA and the Quinn, Oregon, exchange, in the Reno/northern Nevada LATA, while part of northeast Oregon is in the Spokane, Washington LATA Note: Certain rate centers in this area code serve more than one city, including:
Area codes 541 and 458
area codesNorth American Numbering PlanU.S. stateOregonEugeneSpringfieldCorvallisAlbanyMedfordAshlandKlamath FallsThe DallesLakeviewPendletoncoastalLincoln CountyCaliforniaarea code splitarea code 503overlayPortlandOregon Public Utility Commission10-digit dialing503/971local access and transport areasMalheur CountyNevadaSpokane, WashingtonGold HillJacksonMyrtle CreekDouglasMilton-FreewaterUmatillaHeppnerMorrowKlamathBentonJeffersonMarionOntarioMalheurDeschutesCoos BayGrants PassJosephineRoseburgPrinevilleBrookingsGold BeachBaker CityPort OrfordLebanonEnterpriseWallowaNewportLincolnMapletonReedsportMadrasCave JunctionHermistonRogue RiverFlorencePhilomathHood RiverOakridgeOaklandRedmondSumpterJunction CityPine GroveBandonGrass ValleyShermanToledoLangloisParkdaleRocky PointHarperLincoln CityChemultSweet HomeHalseyCascade LocksFort KlamathCondonGilliamMaupinCoquilleHarneyLong CreekCentral PointBellfountainPilot RockJosephGilchristHarlanPowersSiletzCamas ValleyStanfieldBlodgettArlingtonSummitSutherlinMitchellWheelerBrownsvilleHuntingtonPaulinaMosierBoardmanTygh ValleyAntelopePhoenixTidewaterSprague RiverImblerLa PineWhite CityRichlandSenecaBonanzaCulverYachats