| Business | Phone |
| Ies Communications Ltd 500 12th St W, Cornwall K6J 3E4 | (613) 930-2165 |
| Rogers At & T 1 Water St E, Cornwall K6H 6M2 | (613) 936-2083 |
| Bell Mobility 1315 Brookdale Ave, Cornwall K6J 4P9 | (613) 933-7244 |
| Freedom Wireless 377 11th St E, Cornwall K6H 2Y8 | (613) 930-9800 |