Cox Stores. NV. Las Vegas. 5111 E Charleston. Cox Authorized Retailer Las Vegas: 5111 E Charleston. Closed - Opens at 10:00 AM. Contact. 5111 E Charleston. Las Vegas, NV 89142. (702) 268-8475. Get Directions. Hours. Get Support. Cox Tech Solutions: 877-832-7658. 24/7 Automated Support: 703-378-8422. Let's chat. Need a quick answer?