| AT&T | 500 13th St | Very bad. Sound goes bubbly and out. | 2019 |
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| T-Mobile | 5540 Stonewall Pl | Dead Dead Dead | 2015 |
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| Verizon | 895 Roxwood Ln | We had great service until about mos ago. Started having dropped calls and terrible bubbly connection. Verizon made us pay for a booster (ATT gives their customers free ones) and it helped w the dropped calls (somewhat) but service is still terrible. We don't get phone calls, and texts will show up an hour or two later. My husband and I use Google hangouts to communicate when one of us is at home. | 2019 |
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| Verizon | Institute of Behavioral Science No. 10, 900 28th St | Zero bars for voice or data | 2019 |
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| T-Mobile | Boulder Creek Path | Lose Sträva near this location several rides | 2016 |
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| T-Mobile | 1590 Denver Boulder Turnpike | 28th Street, Boulder, CO, United States | 2019 |
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| Verizon | 6185 Arapahoe Rd | Very poor or no voice reception. Bubbly talking and listening. Reception is better north of the building. | 2015 |
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| Verizon | 505 Maxwell Ave | Not sure what has changed and use to get good coverage but now anywhere in my home and outside of it we get terrible to no coverage. Can't find a place in house to take a call! | 2019 |
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| T-Mobile | 1100 Portland Pl | absolutely no coverage | 2015 |
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| AT&T | 5500 Flatiron Pkwy | AT&T service very poor. | 2019 |
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| Verizon | 4896 Sterling Dr | Dead Zone, dropped calls, fluctuation in signal, never any 4G and very rarely a 3G reception | 2015 |
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| T-Mobile | 2162 Jordan Pl | House is a dead zone!! | 2019 |
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| Verizon | 1260 Kalmia Ave | All standards (EDGE, 3G, 4G) dead - no data, SMS is spotty, calls okay. | 2015 |
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| Verizon | 1930 Kalmia Ave | Terrible coverage, dropped calls | 2019 |
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| Verizon | 2205 Norwood Ave | Dead for data. | 2014 |
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| Verizon | 3885 Arbol Ct | Poor reception both indoors and outdoor even when >5m from any buildings | 2015 |
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| AT&T | 4215 Corriente Pl | Very very poor signal added strength on iPhone and galaxy. Cannot make calls. | 2019 |
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| AT&T | 4556 Sprucedale Pl | Dead zone. Can't use our phones in our own home. Unable to initiate or receive calls. Please fix this. | 2019 |
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| Verizon | 4514 Sprucedale Pl | Patchy to zero service, even with their booster. | 2019 |
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| Verizon | 7774 Durham Cir | Terrible service, "call failed" on +40% of calls. Terrible data speeds. Has degraded significantly in last year. Numerous calls to Verizon result in zero improvement. | 2019 |
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| Verizon | 311 Dakota Blvd | Horrible coverage, lots of dropped calls. There's enough population for Verizon to add strength here. | 2019 |
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| Verizon | 5065 Ralston St | After new condos were built my reception is poor | 2015 |
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