| Verizon | 1600 Holloway Ave | The 19th avenue side of campus is poor reception, Library is a dead zone on the bottom 2 floors. | 2019 |
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| Verizon | 547 Donahue St | No LTE and spotty 3G really weak signal | 2016 |
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| T-Mobile | 220 Craut St | Dropped calls, slow texts, occasional unresponsive apps | 2019 |
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| Verizon | 2278 34th Ave | In last year signal strength low, and batteries drain for phones every 6 - 12 hours! | 2019 |
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| Verizon | 5000 Diamond Heights Blvd | Calls drop constantly. Cannot receive calls in my home. | 2016 |
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| Verizon | 3939 24th St | Between Noe and Sanchez streets | 2019 |
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| Verizon | 1863 32nd Ave | Full bars followed by dropped calls. | 2016 |
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| Verizon | 860 Corbett Ave | Cell Service Non-existant. | 2019 |
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| Verizon | 3138 Noriega St | one bar??? or none??? | 2015 |
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| Verizon | 4222 Moraga St | No reception inside, calls drop outside constantly. | 2019 |
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| Verizon | 4200 Lawton St | Poor reception outside, no reception inside. | 2015 |
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| T-Mobile | 90 Behr Ave | Very poor connection for T-mobile | 2019 |
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| AT&T | 1520 Great Hwy | Dead Zone on this whole block. have to walk 20 yards if I want Cell Service. Really annoying when I'm waiting to hear back about jobs. Unexusable considering I get better service 5 miles out at sea. | 2019 |
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| AT&T | 603 Texas St | Dead zone to 1 bar of 4G. No LTE service. | 2014 |
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| Verizon | 555 Castro St | No verizon cellular or data coverage. | 2019 |
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| Verizon | 2645 Market St | 1-2 bars | 2019 |
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| AT&T | 324 Arkansas St | Service is no longer available. | 2014 |
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| AT&T | 2121 3rd St | No coverage in apartment | 2016 |
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| AT&T | 401 Dolores St | Intermittent service. reception swings wildly back and forth from three bars to No Coverage often many times within a minute. Often times even though my iPhone 5S (running iOS 9.1) shows three bars, I am not able to make outgoing calls. We have to go outside in order to make call or send and receive texts. Super annoying! | 2016 |
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| Verizon | 1243 42nd Ave | Dropped calls and disconnects, depending on where I am inside my home. This is new - started about 6 months ago. | 2019 |
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| Sprint | 341 Noe St | Can't make calls | 2015 |
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| T-Mobile | 24 Camp St | Spotty cell service. Dropped calls indoors. | 2016 |
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| Verizon | 260 Roosevelt Way | No cellular voice or data coverage. | 2019 |
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| Sprint | 100 Henry St | Coverage has degraded severely in the last several months. (August 2014) Voice calls dropped inside 1st floor flat on Henry Street. Phone doesn't always ring. Text reception is also spotty indoors. 3G Data coverage spotty inside and sometimes outside. Absolutely no 4G indoor or outdoor in most of the Duboce Triangle. | 2014 |
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| T-Mobile | 1135 Masonic Ave | Data is the low end of Edge (E) aka terrible. Can't load email or web pages. Phone calls work ok. If you live here don't use T-Mobile | 2014 |
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| Verizon | 525 Nelson Rising Ln | Geary Street, San Francisco, CA, United States Poor or no signal, inside and outside. Calls drop or don't come through. No data, just very weak cell signal. Location is future home to Uber and Warriors stadium. Verizon needs to correct this fast. | 2019 |
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| AT&T | 895 29th Ave | Dead zone - both calls and texts do not go out. Calls don't come in, and only occasionally do texts come in. No signal for internet available either - must use wifi. | 2019 |
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| AT&T | 166 Oak St | Cell phone signal suddenly got weak two weeks ago or so. Everyone is complaining about it. What happened? Signal here used to be very strong. | 2019 |
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| Verizon | 521 6th St | Weak signal | 2014 |
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| Sprint | 1355 Market St | No phone access | 2019 |
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| T-Mobile | 1 Polk St UNIT 1902 | Poor Singal coverage in the buildings | 2015 |
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| Verizon | 53 Beaumont Ave | Network congestion(phone doesn't ring and get missed call notification), poor data and call signal. Dropped calls. | 2019 |
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| Verizon | 1500 Eddy St | Eddy St & Fillmore St | 2019 |
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| AT&T | 2750 Geary Blvd | Barely 1 bar wireless. Streaming always interrupted | 2016 |
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| Verizon | 2450 Geary Blvd | One bar inside two story building | 2016 |
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| Verizon | 1945 Lake St | dropped calls constantly | 2014 |
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| AT&T | 3595 California St | Starbucks. Poor reception | 2014 |
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| AT&T | 425 Walnut St | absolutely no cell service at this location. calls frequently drop or fail to connect at all. | 2015 |
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| Verizon | 3400 Sacramento St | Calling and data both cut out on the street. Dead zone | 2019 |
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| Verizon | 1500 Pine St | LTE is pretty much worthless on most of Polk Street, between the Tenderloin & Russian HIll. | 2014 |
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| T-Mobile | 1957 California St | very poor T Mobile coverage here. | 2014 |
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| AT&T | 2212 Sacramento St | ATT coverage has gone from fair to poor over the past few months. Data cuts in and out and calls often drop. | 2019 |
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| Verizon | 2123 Polk St | Very bad 4G data service on polk street and surrounding areas, at least from polk/greenwich down to polk/geary. Signal strength appears good and 3G data appears better. | 2014 |
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| AT&T | 3721 Fillmore St | Terrible cell reception. It was good almost a year ago. But now can not make a normal call, my voice goes on/off. It is useless to have this service. | 2019 |
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| T-Mobile | 315 Bay St | No service inside 2nd floor building. | 2019 |
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| Sprint | Landmark Building A | flood bldg | 2014 |
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| Sprint | Avenue H & 6th St | Consistently have 1 bar, and dropped calls. AT&T was better (if upstairs) but outside, there is a large "dead zone".
Technically, I have "Credo", but they use Sprint towers. | 2016 |
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| Sprint | Gateview Ave & Northpoint Dr | Always 1X data and dropped calls. Boost Mobile is supposed to be on Sprint network. | 2016 |
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