| Verizon | 28 Auburn St | Low-to-no LTE coverage. Low coverage for 3G too. | 2015 |
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| AT&T | Wellesley Hills | Along the MBTA Commuter Rail line that runs through Wellesley Hills, AT&T cellular coverage drops completely. Will drop phone calls in this area. No data in this area. | 2015 |
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| Verizon | 89 Birch Meadow Dr | Are of elementary, middle and high schools which is legendary for having absolutely no reliable service with Verizon, in a place where it's so important to be able to reach our kids at the school. Could not choose a worse place to have a dead zone, verizon! | 2014 |
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| Verizon | 23 Glenwood Ave | https://www.zeemaps.com/edit/k8MuSJVLg2Ln1xfkGX4DRA | 2016 |
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| AT&T | 1611 Cambridge St | Harvard Vanguard Medical Associates Cambridge, Cambridge Street, Cambridge, MA, United States | 2019 |