| Business | Phone |
| Newmarket Ambulance 186 Main St, Newmarket 3857 | (603) 659-2022 |
| Newmarket Ambulance 41 Exeter Rd, Newmarket 3857 | (603) 659-2022 |
| Newmarket Fire Rescue 70 Exeter Rd, Newmarket 3857 | (603) 659-3950 |
| Newmarket Town Administrator 186 Main St, Newmarket 3857 | (603) 659-3617 |
| Newmarket Town Office 182 Main St, Newmarket 3857 | (603) 659-5563 |