| Location | Address | Town |
| County Government | ||
| Governmental Center | 23115 Leonard Hall Drive | Leonardtown |
| Sheriff's Office | 41650 Tudor Hall | Leonardtown |
| Public Works | 44825 St. Andrews Church Rd. | California |
| Marcy House | 41550 Doctors Crossing Rd. | Leonardtown |
| MetComm | 21801 Commerce Drive | Hollywood |
| Chancellors Run Park | 21905 Chancellors Run Rd. | Great Mills |
| Airport | 44174 Airport Rd. | California |
| Gateways | 21155 Lexwood Drive, Suite C | Lexington Park |
| Old Carver School | 47382 Lincoln Ave. | Lexington Park |
| St. Mary's County Libraries | ||
| Lexington Park Library | 46758 Shangri-La Drive | Lexington Park |
| Leonardtown Library | 23250 Hollywood Rd. | Leonardtown |
| Charlotte Hall Library | 37600 New Market Rd. | Charlotte Hall |
| St. Mary's County Schools | ||
| Central Administration | 23160 Moakley Street | Leonardtown |
| Esperanza Middle School | 22790 Maple Road | Lexington Park |
| Leonardtown School Complex | 24015 Point Lookout Road | Leonardtown |
| Margaret Brent Middle School | 29675 Point Lookout Road | Helen |
| Spring Ridge Middle School | 19856 Three Notch Road | Lexington Park |
| Chopticon High School | 25390 Colton Point Road | Morganza |
| Great Mills High School | 21130 Great Mills Road | Great Mills |
| Bethune Technical Center | 22975 Colton Point Road | Bushwood |
| Loveville School | 27180 Point Lookout Rd. | Loveville |
| Higher Education Institutions | ||
| Southern Md. Higher Ed Center | 44219 Airport Rd. | California |
| College of Southern Maryland | 22950 Hollywood Rd. | Leonardtown |
| St. Mary's College | 18952 East Fisher Rd. | St. Mary's City |
| St.Mary's Hospital | 25500 Point Lookout Road | Leonardtown |
| Tower Locations | ||
| Mechanicsville | 28306 Flora Corner Rd. | Mechanicsville |
| California | 45774 Fire Dept. Ln. | California |
| Dameron | 18248 Three Notch Rd. | Dameron |
| Fiber Installed & Terminated | ||