The telephone number for Wendy's corporate headquarters is (614) 764-3100. Their fax number is (614) 764-3330, as of May 2105. The mailing address for the Wendy's company home office is One Dave Thomas Boulevard, Dublin, OH, 43017.
The first Wendy's Old Fashioned Hamburgers was opened by founder Dave Thomas in Columbus, Ohio in 1969. In 1970, the second Wendy's, also in Columbus, opened. It was the first Wendy's with a drive-through pick-up window. The first Canadian Wendy's opened in 1975.
The 3,000th Wendy's Old Fashioned Hamburgers opened in New Orleans in 1985. In 1992, the 4,000th Wendy's restaurant opened in Bentonville, Arkansas. The company celebrated its 25th anniversary in 1999, with more than 5,000 worldwide franchise locations.