Union County Chamber of Commerce Back to Search Union County Chamber of Commerce 207 Depot Street , La Grande , OR , 97850-2618 5419638588 Send Email http://www.unioncountychamber.org News The Chamber Connection Vol. 5 The Chamber Connection. Vol. 9 The Chamber Connection. Vol. 10 The Chamber Connection. Vol. 1 The Chamber Connection. Vol. 2 The Chamber Connection. Vol. 4 The Chamber Connection Vol. 6 The Chamber Connection. Vol. 7 The Chamber Connection. Vol. 8 Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone