| Business | Phone |
| Plymouth Area Prosecutor 26 Green St, Plymouth 3264 | (603) 536-8976 |
| Plymouth Incinerator-Recycling 56 Beech Hill Rd, Plymouth 3264 | (603) 536-2378 |
| Plymouth Regional Senior Ctr Railroad Sq, Plymouth 3264 | (603) 536-2090 |
| Plymouth Selectmen 6 Post Office Sq, Plymouth 3264 | (603) 536-1731 |
| Plymouth Treatment Plant 53 South St, Plymouth 3264 | (603) 536-2769 |