Which Charity Collects Old Mobile Phones?

Which Charity Collects Old Mobile Phones? The National Coalition Against Domestic Violence (NCADV) collects cell phones to help fund their programs. They accept phones and partner with Cellular Recycler, which sells refurbished electronics. Some of the funds from those sales then goes back to NCADV. Which charities accept old mobile phones? These are WaterAid, Oxfam