| Business | Phone |
| Cell Tech Wireless 2403 S Phoenix Pl, Ontario 91761 | (909) 229-6749 |
| Cingular Wireless 1 Mills Cir, Ontario 91764 | (909) 581-1485 |
| Connect Wireless Solutions 1608 S Vineyard Ave, Ontario 91761 | (909) 930-0530 |
| First Choice Wireless 1845 S Vineyard Ave # 1, Ontario 91761 | (909) 930-0300 |
| Infinity Wireless Po Box 9421, Ontario 91762 | (909) 721-6121 |
| Nextel Communications 1 Mills Cir # 601, Ontario 91764 | (909) 481-1174 |
| One Way Wireless 1118 W Mission Blvd, Ontario 91762 | (909) 467-2686 |
| S C Kiosk 951 N Milliken Ave, Ontario 91764 | (909) 481-0690 |
| Spectra 1925 E 4th St, Ontario 91764 | (909) 373-8881 |
| Sprint North Supply 2777 E Cedar St, Ontario 91761 | (909) 923-4444 |
| Wti Accessories 1 Mills Cir, Ontario 91764 | (909) 481-9057 |
| T Mobile 1550 S Milliken Ave, Ontario 91761 | (909) 390-3019 |
| T Mobile 3257 E Guasti Rd, Ontario 91761 | (909) 605-6319 |
| Quickline 118 N Euclid Ave, Ontario 91762 | (909) 467-5743 |