| Business | Phone |
| Cingular Wireless 11144 Foothill Blvd, Rancho Cucamonga 91730 | (909) 989-1120 |
| Cingular Wireless 8880 Foothill Blvd, Rancho Cucamonga 91730 | (909) 948-7620 |
| Fosters Communication 11819 Foothill Blvd, Rancho Cucamonga 91730 | (909) 985-3333 |
| Horizon Wireless 10700 Jersey Blvd, Rancho Cucamonga 91730 | (909) 948-8967 |
| Get Wireless 10064 Foothill Blvd, Rancho Cucamonga 91730 | (909) 987-2220 |
| Radio Shack 10700 Foothill Blvd # 110, Rancho Cucamonga 91730 | (909) 987-1533 |
| Verizon Wireless 10740 Foothill Blvd, Rancho Cucamonga 91730 | (909) 948-2427 |