The Freedom From Religion Foundation organization is at PO Box 750, Madison, Wisconsin 53701. (608) 256-8900
Freethought Today, the only freethought newspaper in North America, is published 10 times a year (with combined issues in January/February and June/July).
Edited by Annie Laurie Gaylor, Freethought Today covers timely news related to state/church separation and includes articles of interest to freethinkers.
Online, their website features famous freethinkers and secular stars.
Their contact: via Email