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Cupertino, CA Carrier Reviews & Coverage Maps

1. Sprint 2.7 star rating (2.7 stars | 6 Reviews)
2. Verizon 1.6 star rating (1.6 stars | 20 Reviews)
3. T-Mobile 1.4 star rating (1.4 stars | 12 Reviews)
4. AT&T 1.2 star rating (1.2 stars | 34 Reviews)

Total Coverage 1.4 star rating (1.4 stars | 77 Reviews)
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AT&T Wireless (GSM)

0 Out of 5 (0 stars) | Rainbow Dr | Bubb Rd, Cupertino, CA 95014 |

Just awful. Middle of Silicon Valley and no reception at this intersection.

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AT&T Wireless (GSM)

0 Out of 5 (0 stars) | Stevens Creek Blvd | Foothill, Cupertino, CA 95014 |

I took the advice from the AT&T agent and got a Sony Ericsson T62U multiband phone (both GSM and TDMA) to try out. It performed worse than the old Nokia 3360. There is virtually no signal and the phone showed it was "Roam" on someone else's network all the time. So I took the phone back to AT&T store. Guess what, the AT&T store told me that they can take the phone back but I have to call AT&T to cancel the account myself. When I did, I had to wait for 40 minutes before I get to talk to a life person. So I am parting my 10 years relationship with AT&T.

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AT&T Wireless (TDMA)

1 Out of 5 (1 star) | Stevens Creek Blvd | Foothill, Cupertino, CA 95014 |

I have been a customer of AT&T Wireless for nearly 10 years. Their service seems to be deteriorate year after year. I no long can receive strong enough signal to make a call except in the upstair room next to a big window now. Their customer care agent told me that's probably due to the fact that they are converting some of ther TDMA towers to GSM thus don't have enough coverage for TDMA users. He urgeed me to switch to their new GSM phones.

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AT&T Wireless (GSM)

2 Out of 5 (2 stars) | DeAnza Blvd. | Homestead Rd., Cupertino, CA 95014 |

I've had AT&T's GSM service for a little over a year and my reception seems to be getting worse. I can't even use my phone at home anymore, whereas I used to be able to at least use it when I was upstairs, near a window.

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3 Out of 5 (3 stars) | Foothill, Cupertino, CA 95014 |

Signal good enough to carry a conversation indoor most of the time.

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4 Out of 5 (4 stars) | Cupertino, Cupertino, CA 95014 |

Never had a problem. Sprint seems to have good coverage in Cupertino area. However, I've noticed that the reception deteriorates in various pockets in Sunnyvale.

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1 Out of 5 (1 star) | Blaney, Cupertino, CA 95014 |

Very poor reception - 0 to 2 bars, mostly 0 inside building. Call can drop half-way even outside the building.

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