| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 20667 | 100% | 100% | 100% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| New Cingular Wireless PCS, LLC | 4341 Mountville Rd, Jefferson, MD 21755 | 55.5 | MAST | 
| USCOC OF CUMBERLAND, LLC | 102 Jamison Ct, Hagerstown, MD 21740 | 61 | TOWER | 
| USCOC OF CUMBERLAND, LLC | 12804 Navy Way, Hagerstown, MD 21742 | 57.9 | TOWER | 
| USCOC OF CUMBERLAND, LLC | 12080 Smithfield Farm Ln, Hagerstown, MD 21740 | 53.9 | TOWER | 
| New Cingular Wireless PCS, LLC | 14259 Graceham Rd, Thurmont, MD 21788 | 54.6 | 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 | 
| AT&T | 7969 Parkland Pl | poor to no signal on AT&T | 2015 | 
| 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 | 
| 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 | 1170-C West Patrick Street, Frederick, MD, 21703 | 301-846-0555 | Directions | 
| Verizon | 1201 Dutchmans Creek Dr, Brunswick, MD, 21716 | 301-969-2520 | Directions | 
| T-Mobile | 5 Willowdale Dr B-12, Frederick, MD, 21702 | 240-629-8652 | Directions |