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In the initial configuration of the nationwide telephone numbering plan designed by AT&T in 1947, [1] the state of Oregon was assigned a single area code, 503. Despite Oregon's growth in the second half of the twentieth century, particularly in the Willamette Valley (Portland and Eugene), this remained so for 48 years, making Oregon one of the largest states by area with a single area code.
503: The northwestern corner of Oregon, including Portland and its metropolitan area, Salem and other cities 541: All of Oregon outside the northwestern corner, including Eugene. 971: An overlay of area code 503. Until 2008, 971 was a concentrated overlay, meaning it was only present in some parts of the 503 area. Today it is a standard overlay.
Area codes with two identical trailing digits are easily recognizable codes (ERC). ... 503: Oregon (Portland, Salem, Hillsboro, Beaverton, ...
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 and Salem, and area code 541 began service for the rest of the state. [1]
Pages in category "Area codes in Oregon" The following 4 pages are in this category, out of 4 total. ... Area codes 503 and 971; Area code 458 and 541;
Area code: 503: FIPS code: 41-21050 [5] GNIS feature ID: 2410370 [3] Website: www.dundeecity.org: ... Reid came to Oregon in 1874 to establish the Oregonian Railway, ...
Area codes: 503, 971: Southeast Portland is one of the sextants of Portland, Oregon. ... Oregon at Wikimedia Commons This page was last edited on 5 ...
Newberg is located on Oregon Route 99W, approximately 25 miles (40 km) southwest of Portland. Springbrook, once a separate community, is now considered part of Newberg. According to the United States Census Bureau, the city has a total area of 5.81 square miles (15.05 km 2), all land. [14] It averages 176 feet (54 m) in elevation.