Kiwanis Club of Portland Share: Community, Civic Organizations, Clubs Visit Website P.O. Box 251 Portland, TX 78374 (361) 633-1404 Visit Us Online! About Map About Kiwanis International is a global community of clubs, members and partners dedicated to improving the lives of children one community at a time. What's Nearby? Distance: 5 10 15 20 25 50 mi.