| Business | Phone |
| Kelcom 167 Keil Dr S, Chatham N7M 3H3 | (519) 351-2800 |
| Rogers At & T Wireless Chatham Ctr, Chatham | (519) 351-9493 |
| Rogers At & T 75 Keil Dr S, Chatham N7M 3G9 | (519) 351-4077 |
| Thames Communications 100 King St W, Chatham N7M 6A9 | (519) 354-6017 |