The North Sound BH-ASO has moved to a new facility at 2021 E. College Way, Mount Vernon. NOTE: Our Fax number has changed to (360) 899-4754. To help prevent the spread of COVID-19 we have closed our Mount Vernon, WA office at 2021 E. College Way, Suite 101. Business operations will continue as usual Monday-Friday 8:00AM-5:00PM Pacific. Click here for the latest information. Outside visitors needing to visit the ASO office, please fill out and submit the COVID attestation form here.