| T-Mobile | 124 Garden Grove Rd | Just switched from Verizon to T-Mobile. We had good coverage at home prior to the switch. We now have only 1 bar at home with delay in voice when the call does go through.  Also, kept losing T-Mobile coverage on I-91 between Hartford and Springfield; calls kept cutting in and out. | 2019 | 
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| 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 | 26 Uconn Ave | Dead zone.  Entire area surrounding this street and nearby streets. | 2014 | 
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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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