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San Mateo, CA 94401 Carrier Reviews & Coverage Maps


Rating
1. Sprint 1.8 star rating (1.8 stars | 58 Reviews)
2. AT&T 1.5 star rating (1.5 stars | 165 Reviews)
3. T-Mobile 1.4 star rating (1.4 stars | 69 Reviews)
4. Verizon 1.4 star rating (1.4 stars | 101 Reviews)

Total Coverage 1.5 star rating (1.5 stars | 432 Reviews)
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Verizon

1 Out of 5 (1 star) | Meridian Dr., Redwood City, CA 94065 |

I can hear the caller, caller can not hear me! slow to No internet..

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AT&T

0 Out of 5 (0 stars) | Coronado and Hwy. 1 | Coronado and Hwy. 1, El Granada, CA 94018 |

In the last month AT&T has gone from poor to unacceptable. There is no longer enough signal for my MicroCell booster to function a devise that AT&T provided because of poor reception in my home. I have been with AT&T since they bought Cellular 1 but them seem to have written off the San Mateo coast since most people a fled to carriers with much better signal coverage.

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AT&T

1 Out of 5 (1 star) | Oyster Point Blvd. | Marina Blvd., South San Francisco, CA 94080 |

Calls tend to drop or fade out. I get 0-3 bars in the same location.

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AT&T

0 Out of 5 (0 stars) | Coral Reef Ave. | Hwy. 1, Half Moon Bay, CA 94019 |

The past year AT&T cell service for the Half Moon Bay coastside has declined. Many area I have no service. I am lucky to get 2 bars anywhere on coastside now. Used to get full bars in previous years. Have to switch carriers.

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T-Mobile

1 Out of 5 (1 star) | Bair Island Rd., Redwood City, CA 94063 |

When I moved my shop here over 3 yoears ago, I would normally get 3-4 even 5 bars. Since all the new buildings - especially the Marriott Courtyard - coverage has dropped to either 1-2 or zip... emergency calls only.

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T-Mobile

1 Out of 5 (1 star) | Gellert , Daly City, CA 94015 |

Barely getting a signal. Always on Edge... No 4G signal! No point in having unlimited data if you can't even surf the Web because the signal is so weak and slow!

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Verizon

0 Out of 5 (0 stars) | Alpine Rd. | 280, Menlo Park, CA 94025 |

No Verizon coverage anywhere off of Alpine Rd.between Sand Hill and well into Portola Valley. Had to get a network extender for my home. This is my work phone and big pain to switch at work so sticking with the network extender and dealing with calls dropping every time I get in my car and drive. Also no coverage at my work in San Jose. Seems to work fine other places like... off the top of my head... NYC, but not any use here at home.

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AT&T

1 Out of 5 (1 star) | N. Cabrillo Hwy. Moon Bay Ca., Half Moon Bay, CA 94019 |

twice I have been in area and it is sad to pay fees for such bad service. only 15 miles or so from Bay area. So sad for AT&T customers

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AT&T

0 Out of 5 (0 stars) | Near Half Moon Bay Post Office, Half Moon Bay, CA 94019 |

When I first moved here 8 years ago I had 4 to 5 bars inside my place always. Now I have gone two days with no service including now. When I do have service I only get 1 bar. I found that if I call my house phone from my cell I will get 1 bar for a few minutes then it drops out. No useful response from AT$T.

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AT&T

1 Out of 5 (1 star) | Hwy. 1 | 92, Half Moon Bay, CA 94019 |

I live 1 mi N of Half Moon Bay and the ATT service has dropped to barely manageable to mostly nonexistent. In the backyard, signal is -105 dB. Missed important calls and receive texts 45 min late.

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