Aumsville, OR utilizes an area code overlay in which area codes 503 and 971 serve the same geographic area. The area code overlay was put into service on October 1, 2000 at which time area code 971 was created as an overlay of area code 503. Area Code 503 was created in 1947 and was the original area codes assigned to Oregon. Ten digit dialing (area code + seven digit number) is necessary because two different homes in the same geographic area can have the same seven digit phone number but each would have a different area code.
In addition to Aumsville, OR area codes 503 and 971 serve northwest Oregon including the larger cities and communities of Aloha, Beaverton, Gresham, Hillsboro, Keizer, Lake Oswego, Mcminnville, Milwaukie, Oregon City, Portland, Salem, Tigard, Tualatin, West Linn, Woodburn in addition to many smaller communities.
Aumsville, OR is located in Marion County and observes the Pacific Time Zone. View our Times by Area Code tool.