| Business | Phone |
| Gwinnett County Government 585 Camp Perrin Rd, Lawrenceville 30043 | (770) 822-5404 |
| Lawrenceville City City Hall, Lawrenceville 30043 | (770) 963-5123 |
| Gwinnett County Government 186 E Pike St, Lawrenceville 30045 | (404) 822-5147 |
| Gwinnett County Government 750 S Perry St, Lawrenceville 30045 | (678) 377-4033 |
| Gwinnett County Planning & Dev 446 W Crogan St, Lawrenceville 30045 | (678) 518-6000 |