| T-Mobile | 44 Chaplin St | Total Dead Zone | 2019 |
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| AT&T | 14 E Main St | Difficult accessing internet since about Feb 2016; cell tower down most of the time during most business hours for last 9 or more months. In recent months, also down 24 hrs a day. Only showing "not down/ cell tower up" for about 15 minutes: requires constant monitoring to determine when can possibly access Internet. Phone service via cell towers has been extremely poor since, at least, 2010-11, despite showing "5 bars" and that phone is fully charged. AT&T refused to give me credit for these problems after about 4-6 months of doing so. | 2019 |
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| Verizon | 675 Shetucket Turnpike | Terrible service. Constant dropped calls. Cannot send text messages. I have spoken to Verizon Wireless employees countless times and have had no feedback. I purchased a wireless network booster and still have a terrible signal. | 2016 |
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| AT&T | 981 Trumbull Hwy | Had decent reliable At&t phone service until about mid December 2016, when almost overnight, phone service became non-existent. Testing works fine, but can not make or receive phone calls | 2019 |
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| Verizon | 21 Brookview Dr | Very poor phone signal, texts are ok. One bar of signal and lots of dropped calls. | 2014 |
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