305 N.E. 102nd Avenue
Portland, OR 97220
24 hours / 7 days
5 Working but no more than 28 Calendar days prior
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.
Marks Valid: 28 Calendar days from the date of issuance
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.