Dianne Forsberg (Postmaster)
wanieta.d.forsberg@usps.gov
867 Willard St
Hartline, WA 99135
Hartline, WA 99135
The Hartline Post Office is located in the state of Washington within Grant County. This location serves 255 Hartline residents with a median income of $49,167. It's estimated that approximately 407 packages pass through this post office each year.