| Business | Phone |
| Holbrook School 202 Kidder Hill Rd, Holden 4429 | (207) 843-7769 |
| Holden Elementary School 590 Main Rd, Holden 4429 | (207) 843-7828 |
| School Administrative Dist 63 202 Kidder Hill Rd, Holden 4429 | (207) 843-7851 |
| Office Of Special Svc 202 Kidder Hill Rd, Holden 4429 | (207) 843-0702 |