Othello J Delrosario (Postmaster)
othello.j.delrosario@usps.gov
2010 15th Ave W
Seattle, WA 98119
Seattle, WA 98119
The Interbay Carrier Annex Post Office is located in the state of Washington within King County. This location serves 21,039 Seattle residents with a median income of $65,127. It's estimated that approximately 33,581 packages pass through this post office each year.