Collective Good Collective Good is the cell phone recycling resource. If you have spare cell phones, smart phones, PDAs or iPods to recycle, you can recycle them here in an environmentally responsible manner. Website: www.collectivegood.comEmail: info@collectivegood.comPhone: 303 339-4101Mailing Address:4800 Baseline Road, Suite 104Boulder, CO 80303-2643Date Updated: 4/16/2010