Costco to sell AT&T phones and service
ISSAQUAH, Wash. Costco has agreed to sell AT&T phones and service plans at more than 370 outlets.
Costco will sell AT&T handsets from manufacturers like Samsung and Nokia and allow customers to activate their service in stores. Wireless Advocates, a Seattle-based company that is Costco’s retail wireless marketing partner, will handle in-store sales and support.