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Clickable map of Colorado area codes in blue (with bordering states). [1] The U.S. state of Colorado is served by five telephone area codes of the North American Numbering Plan (NANP). Area code 303 is the original area code assigned to the entire state when the first nationwide telephone numbering plan was created in 1947.
The map to the right is now clickable; click on an area code to go to the page for that code, or use the text links below. Map of Colorado area codes in blue (with border states) Pages in category "Area codes in Colorado"
Clickable map of Colorado area codes in blue (with bordering states). ...
The area was home to the Wallowa band of the Lower Nez Perce. The Nez Perce lived in the canyons and burned trees to create meadows for the horses that they obtained around 1730. [ 24 ] In 1834, Captain Bonneville crossed through the mountains and met with the lower Nez Perce on his way to Fort Walla Walla . [ 25 ]
Area code 303 was one of the original North American area codes of 1947, and originally served the entire state of Colorado. It remained the state's sole area code for 40 years. Colorado's explosive growth in the second half of the 20th century, particularly in the Denver/Boulder area, made it a certainty that Colorado would need another area code.
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
This page was last edited on 18 December 2024, at 17:22 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
Chief Joseph Mountain is located five miles south of Joseph, Oregon, in the Wallowa Mountains. It is set within the Eagle Cap Wilderness on land managed by Wallowa–Whitman National Forest . [ 2 ] The peak ranks as the 14th-highest summit in Oregon, [ 3 ] and the 8th-highest of the Wallowa Mountains. [ 2 ]