| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 06437 | 99% | 100% | 99% | 
| 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 | 189-501 Cooks Ln, Guilford, CT 06437 | 57 | MAST | 
| Cellco Partnership | 511 Briarwood Dr, Guilford, CT 06437 | 47.5 | POLE | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| 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 | 10 Stonebrook Dr | Voice drops out often, calls fail. Have one dot, 3g or 1x (no LTE) | 2015 | 
| AT&T | 61 Bassett St | Dead cell zone down this whole block. Phone regularly just shows 1 bar, and frequent dropped calls. | 2014 | 
| Verizon | 15 York St | Yale ER | 2014 | 
| Verizon | 10 Bethel Ln | 1 bar of service on average with Verizon. Previously had ATT and it was a bit better but not by much | 2019 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 934 Boston Post Rd, Guilford, CT, 06437 | 203-401-8053 | Directions | 
| Verizon | 864 Boston Post Rd, Guilford, CT, 06437 | 203-458-6700 | Directions | 
| T-Mobile | 972 W Main St, Branford, CT, 06405 | 203-408-0990 | Directions |