SALEM, Ore. -- The Public Utility Commission has added a telephone area code for much of Oregon: 458. Beginning in 2010, it will be assigned in the area that uses 541 -- all of the state outside the ...

Three little digits will make a big difference for mid-valley residents who place a phone call after Jan. 1, 2010. That’s when Oregon adds a new 458 area code and mandatory 10-digit dialing. According ...

The 458 has been “overlayed” into the 541 area, which consists of all but the northwest corner of the state. That corner, which includes the Salem and Portland areas, uses the other two codes. Calls ...