| Business | Phone |
| Sdv Telecommunications Inc 124 Clydesdale Ct # C, Grass Valley 95945 | (530) 272-6730 |
| Area Business Communications Grass Valley 95949 | (530) 268-9100 |
| No Bell Grass Valley 95945 | (530) 477-2355 |
| R & B Communications 11721 Nevada City Hwy, Grass Valley 95945 | (530) 274-1050 |
| Jay Robart 20058 Salt Creek Ct, Grass Valley 95949 | (530) 268-0444 |
| Tri-Counties Telephone Grass Valley 95949 | (530) 268-3725 |