| Business | Phone |
| Chatham Elementary School 147 Depot Rd, Chatham 2633 | (508) 945-5135 |
| Chatham High School 425 Crowell Rd, Chatham 2633 | (508) 945-5140 |
| Chatham Middle School 425 Crowell Rd, Chatham 2633 | (508) 945-5148 |
| Chatham Superintendent-Schools 425 Crowell Rd, Chatham 2633 | (508) 945-5130 |
| May Center For Child Dev 100 Seaview St, Chatham 2633 | (508) 945-1147 |