| Sprint | 3 Charles River Rd | Not sure if WMRC tower causes a signal degrade but get very poor to no signal here. Verizon/ATT are good enough. | 2014 | 
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| Verizon | 655 Washington St | https://www.zeemaps.com/edit/h6Z9nQmSQqDV2u7CuhR8pw | 2015 | 
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| Verizon | 717 Norwest Dr | Virtually dead!  Every now and then if standing outside 3G with one bar but most of time I get 1x. | 2014 | 
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| Verizon | 211 Atkinson Ave | Completely dead at the top of Atkinson Ave | 2015 | 
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| AT&T | 75 University Ave | A significant portion of this region is an AT&T dead zone. Central Office, Rogers Street, Cambridge, MA, United States | 2019 | 
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