| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 21787 | 100% | 100% | 100% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| New Cingular Wireless PCS, LLC | 14259 Graceham Rd, Thurmont, MD 21788 | 54.6 | MAST | 
| New Cingular Wireless PCS, LLC | 9355 Woodsboro Rd, Frederick, MD 21701 | 57.9 | POLE | 
| Cellco Partnership | 594 Gorsuch Rd, Westminster, MD 21157 | 55.4 | MAST | 
| Cellco Partnership | 3256 Mail Rd, Westminster, MD 21157 | 0 | |
| NEW CINGULAR WIRELESS PCS, LLC | 2300 Harvey Gummel Rd, Hampstead, MD 21074 | 77.7 | MAST | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| AT&T | 2506 Albert Rill Rd | Consistently lose cell coverage at this location. RTE 27 @ Albert Rill Road | 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 | 
| Verizon | 4001 Houck Ave | Verizon appears to be very congested on 4G LTE here at all hours of the day from 8:00am to 11:00pm it gets better around 1:00am but this is ridiculous for verizon and need to be fixed its been like this for over a year and a half | 2015 | 
| AT&T | 7969 Parkland Pl | poor to no signal on AT&T | 2015 | 
| Verizon | 5633 Catoctin Ridge Dr | Drop calls and low signal strength. Dead spot on catoctin view before you turn onto catoctin ridge dr. Calls go in and out inside house and outside house | 2019 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 200 Clifton Boulevard Suite F, Westminster, MD, 21157 | 410-712-7850 | Directions | 
| Verizon | 465 East Baltimore St, Taneytown, MD, 21787 | 410-756-6959 | Directions | 
| T-Mobile | 400 North Center Street 249, Westminster, MD, 21157 | 410-848-4442 | Directions |