| ZIP Code | Verizon | ATT | T-Mobile |
|---|---|---|---|
| 94403 | 99% | 100% | 99% |
| 94402 | 100% | 100% | 100% |
| 94401 | 98% | 100% | 99% |
| 94404 | 92% | 100% | 91% |
| Licensee | Address | Height | Tower Type |
|---|---|---|---|
| GTE MOBILNET OF CALIFORNIA LIMITED PARTNERSHIP | 290 Baldwin Ave, San Mateo, CA 94401 | 43.3 | B |
| GTE MOBILNET OF CALIFORNIA LIMITED PARTNERSHIP | 1700 W Hillsdale Blvd, San Mateo, CA 94402 | 20 | |
| GTE MOBILNET OF CALIFORNIA LIMITED PARTNERSHIP | 2287 Allegheny Way, San Mateo, CA 94402 | 30.5 | TANK |
| Carrier | Address | Comment | Date Added |
|---|---|---|---|
| Verizon | US-101 | Poor 4G coverage. 3G works okay. | 2014 |
| Verizon | 771 Crystal Springs Rd | Dead zone. No coverage outside or inside. Calls drop. | 2014 |
| AT&T | 133 W 3rd Ave | Extremely weak signals indoor | 2015 |
| AT&T | 425 Hillcrest Rd | zero bars in backyard | 2016 |
| AT&T | 10 De Sabla Rd | Weak signal indoor | 2015 |
| Verizon | 12 Airport Blvd | Verizon Carrier Service is consistently 1x in this general location. It is not specific to one phone with Verizon as we have over 20+ phones on our plan that work out of this specific location and complaints are generally across the board that coverage in this specific area is lacking severely. | 2019 |
| Carrier | Address | Phone | Directions |
|---|---|---|---|
| AT&T | 221 Primrose Rd, Burlingame, CA, 94010 | 650-348-3905 | Directions |
| Verizon | 1344 Burlingame Avenue, Burlingame, CA, 94010 | 650-342-1042 | Directions |
| T-Mobile | 225 E 4th Ave, San Mateo, CA, 94401 | 650-375-0817 | Directions |