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San Mateo, CA 94403 Carrier Reviews & Coverage Maps

1. Sprint 1.7 star rating (1.7 stars | 41 Reviews)
2. T-Mobile 1.5 star rating (1.5 stars | 53 Reviews)
3. AT&T 1.4 star rating (1.4 stars | 134 Reviews)
4. Verizon 1.4 star rating (1.4 stars | 80 Reviews)

Total Coverage 1.4 star rating (1.4 stars | 333 Reviews)
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AT&T Wireless (GSM)

1 Out of 5 (1 star) | Skyline | 280, Burlingame, CA 94010 |

Outside house, generally one bar... on street improves to 2-3. Can make calls. Inside house - forget it. Even if I manage to find a 1 bar location, I must use my bluetooth headset as moving the phone any little bit (like putting it to your ear) is guaranteed to lose the signal! Also noticed in general area (SF Bay Area between Mountain View and San Francisco), GSM reception is horrible indoors anywhere. Switching to Cingular network is sometimes better but not noticeably better.

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3 Out of 5 (3 stars) | Manor Dr. | Skyline / Hwy 35, Pacifica, CA 94044 |

It's ok. I had the same reception with the Nokia 3395.

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AT&T Wireless (TDMA)

0 Out of 5 (0 stars) | 280N | Between Westborough exit and Serramonte exit, San Bruno, CA 94066 |

Call drops once you hit the Westborough exit on 280N, service does not resume until after the Serramonte exit

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1 Out of 5 (1 star) | Dumbarton Bridge, Menlo Park, CA 94025 |

More times than not, will lose reception when going over bridge. Same for AT&T.

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1 Out of 5 (1 star) | Sebastian | Murchison, Millbrae, CA 94030 |

Reception on T-Mobile is spotty in general, but it hardly works up here on the hill. AT&T (TDMA), Verizon and Cingular GSM work fine up here, and even Sprint had better reception than this. I have to go outside and stand in the backyard in order to make calls. I'm never getting another T-Mobile phone, that's for sure.

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1 Out of 5 (1 star) | Marine World Parkway | Shell Blvd to Hiwy 101, Redwood City, CA 94065 |

Calls will cut off when driving west bound on marine world parkway from Shell to around Bridge Pkwy. From Bridge to hiwy 101, call eception is spotty

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5 Out of 5 (5 stars) | Shoreview, Redwood City, CA 94065 |

Strong 5 bar reception, I use the phone constantly inside the house or garage and dont have any problems.

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1 Out of 5 (1 star) | Hwy. 280 | Westborough, South San Francisco, CA 94080 |

Spotty coverage on Highway 280 in San Bruno area. Traveling northbound, calls tend to drop or fade out until you reach Daly City / Serramonte Blvd. Southbound coverage hit or miss, sometimes very good, other times calls will drop out.

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1 Out of 5 (1 star) | Ralston | Cipriani, Belmont, CA 94002 |

There is one spot in my hallway where I sometimes get patchy reception, but no where else. Going outside doesn't help at all either. I used to have a Nokia with AT&T and got no reception at all.

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3 Out of 5 (3 stars) | 280 | Sand Hill Road, San Carlos, CA 94070 |

Hey - where most phones fail, at least I get 3 bars where other phones fail.

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