Twin County United Way Share: Community OrganizationsNon-profit Twin County United Way Visit Website 2207 E. Main Street Lewiston, ID 83501 (208) 743-6594 (208) 743-7004 (fax) tcuw.org Hours: 8 a.m. to 3 p.m., Monday through Friday About About Twin County United Way, a community solutions provider, strives to improve people's lives by mobilizing the caring power of our community.