| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 06417 | 100% | 100% | 100% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC | 10 Tanner Marsh Rd, Guilford, CT 06437 | 52.4 | POLE | 
| NEW CINGULAR WIRELESS PCS, LLC | 36Y Hatchetts Hill Rd, Old Lyme, CT 06371 | 59.4 | POLE | 
| NEW CINGULAR WIRELESS PCS, LLC | 189-501 Cooks Ln, Guilford, CT 06437 | 57 | MAST | 
| Cellco Partnership | 511 Briarwood Dr, Guilford, CT 06437 | 47.5 | POLE | 
| NEW CINGULAR WIRELESS PCS, LLC | 812 Middletown Rd, Colchester, CT 06415 | 55.5 | POLE | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| Sprint | 32 Corsino Ave | Nil Voice, drops, cannot use to call 911 services, and no Data. Voice connect at times if standing in middle of street, as it will pickup a weak signal from tower on Long Island all the way across the Long Island Sound. Must keep phone off or in airplane-mode to avoid battery drain and overheat. | 2014 | 
| Verizon | 805 Chamberlain Hill Rd | poor to no signal in this area | 2019 | 
| Verizon | CT-2 | Index WA | 2016 | 
| Verizon | 51 Bassett Rd | Dead zone all calls I connect to will drop service and poor signal,I can send a text to the person standing next to me and will take upwards 10 min and it will say cant connect to service | 2014 | 
| Verizon | 19 Cecelia Dr | Low to NO signal. Verizon performed a full network review and the entire neighborhood has terrible signal due to "terrain". | 2015 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 7 Glenwood Rd, Clinton, CT, 06413 | 860-664-6440 | Directions | 
| Verizon | 203 East Main Street, Clinton, CT, 06413 | 860-664-5160 | Directions | 
| T-Mobile | 28 Spencer Plain Rd, Old Saybrook, CT, 06475 | 860-391-8302 | Directions |