| Business | Phone |
| Warren Twp Town Clerk 17801 W Washington St, Gurnee 60031 | (847) 244-1101 |
| Gurnee Engineering Dept 325 N Oplaine Rd, Gurnee 60031 | (847) 623-7658 |
| Gurnee Village Mayor 325 N Oplaine Rd, Gurnee 60031 | (847) 599-7500 |
| Gurnee Village Hall 325 N Oplaine Rd, Gurnee 60031 | (847) 623-7650 |