| Business | Phone |
| Treatment Plant 131 E Lincoln Ave, Hinckley 60520 | (815) 286-7213 |
| Hinckley Clerk 720 James St, Hinckley 60520 | (815) 286-3836 |
| Squaw Grove Twp Office 120 Maple St, Hinckley 60520 | (815) 286-8029 |
| Squaw Grove Twp Road District Somonauk Rd, Hinckley 60520 | (815) 286-7169 |