| Business | Phone |
| Londonderry Animal Control 11 Twin Isles Rd, Londonderry 3053 | (603) 432-1138 |
| Londonderry Sewer Commission 50 Nashua Rd, Londonderry 3053 | (603) 432-1137 |
| Londonderry Town Cable Dept 295 Mammoth Rd, Londonderry 3053 | (603) 432-1147 |
| Londonderry Town Cable Dept 50 Nashua Rd, Londonderry 3053 | (603) 432-1147 |
| Londonderry Town Office 50 Nashua Rd, Londonderry 3053 | (603) 432-1100 |