| Business | Phone |
| Darien Fire Marshal 2 Renshaw Rd, Darien 6820 | (203) 656-7345 |
| Darien Volunteer Fire Dept 848 Post Rd, Darien 6820 | (203) 655-1216 |
| Noroton Fire Dept 1873 Post Rd, Darien 6820 | (203) 655-0653 |
| Noroton Heights Fire Dept 209 Noroton Ave, Darien 6820 | (203) 655-1033 |