La Crosse Area Postal Credit Union to merge with Co-op Credit Union Fri, 02/20/2015 - 13:01 ateditor La Crosse Area Postal Credit Union members have voted to merge with Co-op Credit Union. The consolidation will be effective March 31, 2015 and has been approved by bothFull text available to premium subscribers only. Read more about La Crosse Area Postal Credit Union to merge with Co-op Credit Union