Population Connection 1400 16th Street NW, Suite 320 Washington, D.C. 20036 Main: 202-332-2200 Fax: 202-332-2302 / Toll Free: 1-800-POP-1956 http://www.populationconnection.org Join Population Connection and have an impact. Make your voice heard in Congress about population, reproductive health, contraception, international family planning and more. Support Population Connection's amazing Population Education programs..