The 541-779 prefix is in Medford, Oregon.
Nyssa, Oregon, is in area code 541 and overlay area code 458.
The 541 area code in the US is in Oregon.
The country code and area code of Villarrica, Paraguay is 595, (0)541.
The country code and area code of Gaibandha, Bangladesh is 880, (0)541.
The country code and area code of Oldenzaal, Netherlands is 31, (0)541.
Eugene, Oregon
The country code and area code of Sistan-Baluchestan, Iran is 98, (0)541.
The country code and area code of El Hesahesa, Sudan is 249, (0)541.
Beginning Jan. 10, Oregonians who live in the 541 area code must also dial a three-digit area code for their local calls to be connected. Source: http://www.thecreswellchronicle.com/news/story.cfm?story_no=7568
The area of Odogbolu is 541 square kilometers.
Area code 541 and overlay area code 458 serve Oregon, USA, excluding the northwestern corner.541 & 458 includes: Bend, Corvallis, Eugene, Klamath Falls, Medford, Ontario, Pendleton, The Dalles503 & 971 includes: Portland, Salem, Astoria, Lincoln City, Tillamook