| Business | Phone |
| Hazlet Police Records 255 Middle Rd, Hazlet 7730 | (732) 264-3803 |
| Hazlet Township Detective 255 Middle Rd, Hazlet 7730 | (732) 264-1705 |
| Hazlet Twp Municipal Offices 319 Middle Rd, Hazlet 7730 | (732) 264-1700 |
| Hazlet Twp Sewerage Authority 16 Brookside Ave, Hazlet 7730 | (732) 739-1040 |
| Township Of Raritan First Aid Leocadia Ct, Hazlet 7730 | (732) 787-1152 |