Submitted by yongli on Tue, 03/29/2016 - 16:05 Share article to
Mountain States moved its headquarters to 1801 California Street in 1984. Now part of CenturyLink, the Telephone Building still serves as the main central office in Denver.
Courtesy of Denver Public Library, Western History/Genealogy Department. To purchase a copy of this image, please contact Photo Sales staff at email@example.com or 720-865-1818.