| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 21713 | 100% | 100% | 100% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| New Cingular Wireless PCS, LLC | 21842 National Pike, Boonsboro, MD 21713 | 76.8 | MAST | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| Verizon | 7 E Washington St | Full 4g and 5 bars on my Motorola turbo and cannot make a call. Says I'm roaming | 2019 | 
| T-Mobile | MD-77 | Catoctin park is generally a dead zone, except on hillside facing Thurmont. Would like to get an AT&T or T-Mobile cell tower somewhere on the high hills here. Would like to have the campgrounds and waterfalls covered. | 2019 | 
| AT&T | 7969 Parkland Pl | poor to no signal on AT&T | 2015 | 
| Verizon | 11456 Keymar Rd | Spotty coverage, lots of dropped calls. Emails & text messages are more reliable, but even they may take some time to go through. | 2015 | 
| AT&T | 11434 Keymar Rd | Internet wireless | 2019 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 1640 Dual Highway Suite A, Hagerstown, MD, 21740 | 301-745-6476 | Directions | 
| Verizon | 231 Eastern Blvd N, Hagerstown, MD, 21740 | 240-707-6790 | Directions | 
| T-Mobile | 17221 Cole Road, Hagerstown, MD, 21740 | 301-582-3561 | Directions |