Lamona, WA

ZIP code 99144 covers Rosalia and surrounding agricultural land in Whitman County, in eastern Washington’s Palouse region. A prominent local landmark is the Rosalia Battle Monument, commemorating the 1858 Battle of Pine Creek. The historic Milwaukee Road rail corridor, now part of the Palouse to Cascades State Park Trail, also passes through the area. Rosalia’s historic town center and surrounding wheat fields reflect its railroad and farming heritage.