| ZIP Code | Verizon | ATT | T-Mobile |
|---|---|---|---|
| 91789 | 100% | 100% | 100% |
| Licensee | Address | Height | Tower Type |
|---|---|---|---|
| Los Angeles SMSA Limited Partnership | 1414 Buena Vista St, Duarte, CA 91010 | 19.8 | B |
| Los Angeles SMSA Limited Partnership | 1461 N Red Gum St, Anaheim, CA 92806 | 45.7 | POLE |
| Los Angeles SMSA Limited Partnership | 150 N Santa Anita Ave, Arcadia, CA 91006 | 30.9 | B |
| Los Angeles SMSA Limited Partnership | 5146 E Hunsford Dr, Orange, CA 92867 | 43.9 | MAST |
| Los Angeles SMSA Limited Partnership | 2426 N Euclid Ave, Upland, CA 91784 | 6.7 | BANT |
| Carrier | Address | Comment | Date Added |
|---|---|---|---|
| AT&T | 5837 Comstock Ave | Very bad | 2014 |
| Verizon | 1002 Hurstview St | Poor reception starts when crossing Cannon Road on Hurstview Drive and continues to Norwood Drive | 2014 |
| T-Mobile | Duarte / California | Zero signal. Calls drop faster than a lead-filled elevator. You can't move 1mm in any direction without signal cutting out. | 2015 |
| T-Mobile | 13318 Lambert Rd | Living in a hotel for now and the wifi sucks. Now that my 4G LTE is getting any reception, it just gets worse and worse over. Thinking about cancelling with T-Mobile | 2019 |
| Verizon | 800 Royal Oaks Dr | Always drops calls and I have a hard time sending out text messages in this area. | 2019 |
| Carrier | Address | Phone | Directions |
|---|---|---|---|
| AT&T | 515 N Grand Ave Suite A, Walnut, CA, 91789 | 909-551-8237 | Directions |
| Verizon | 21080 Golden Springs Dr, Walnut, CA, 91789 | 909-869-0059 | Directions |
| T-Mobile | 21710 Valley Blvd Suite D, Walnut, CA, 91789 | 909-444-6803 | Directions |