| ZIP Code | Verizon | ATT | T-Mobile |
|---|---|---|---|
| 92318 | 100% | 100% | 100% |
| Licensee | Address | Height | Tower Type |
|---|---|---|---|
| Los Angeles SMSA Limited Partnership | 11925 Sierra Ave, Fontana, CA 92337 | 17.7 | POLE |
| Los Angeles SMSA Limited Partnership | 793 CA-173, Cedar Glen, CA 92321 | 9.1 | POLE |
| Los Angeles SMSA Limited Partnership | Unnamed Road, Banning, CA 92220 | 51.2 | MAST |
| Los Angeles SMSA Limited Partnership | 540 CA-18 Business, Big Bear Lake, CA 92315 | 46 | TOWER |
| Los Angeles SMSA Limited Partnership | 23760 Temescal Canyon Rd, Corona, CA 92883 | 45.7 | POLE |
| Carrier | Address | Comment | Date Added |
|---|---|---|---|
| Sprint | 6245 Riverside Ave | Data is very slow. | 2015 |
| T-Mobile | 6390 Lancelot Ct | Dead spot for T-Mobile. Verizon was fine. | 2014 |
| AT&T | 34415 Crenshaw St | little to no cell service, ever, at any point in house or neighborhood or area, also with verizon from 2012-6/2016 | 2019 |
| Verizon | 6655 Palm Ave | I drop about 30 calls a day at Palm Central South apartments and sometimes it just won't connect no matter how many times I try. Sometimes resetting the carrier settings helps but not usually. It's so frustrating and stressful, I'm about to switch carriers. | 2015 |
| Verizon | 30243 Enchanted Way | Very little cell service at that address. | 2014 |
| Carrier | Address | Phone | Directions |
|---|---|---|---|
| AT&T | 1971 W Redlands Blvd Ste A, Redlands, CA, 92373 | 909-748-7225 | Directions |
| Verizon | 2054 Redlands Blvd, Redlands, CA, 92373 | 909-255-3980 | Directions |
| T-Mobile | 1099 E Hospitality Ln, San Bernardino, CA, 92408 | 909-478-0894 | Directions |