COLB’s Western Footprint After Pacific Premier
Columbia Bank is a Western U.S. regional bank headquartered in Tacoma, WA, operating across Washington, Oregon, Idaho, California, Nevada, Arizona, Colorado and Utah. The company serves commercial and consumer customers through traditional and digital channels, supported by approximately 350 branches. The Pacific Premier acquisition, which closed Aug. 31, 2025, completed the company’s Western footprint and elevated its market position in Southern California. Management has targeted $127 million of annualized cost savings from the transaction.