503 area code11/25/2023 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. In the initial configuration of the nationwide telephone numbering plan designed by AT&T in 1947, the state of Oregon was assigned a single area code, 503.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |