| Business | Phone |
| Anaheim City Prosecution Office 1275 N Berkeley Ave # 400, Fullerton 92832 | (714) 870-8200 |
| Fullerton Administrative Svc 303 W Commonwealth Ave, Fullerton 92832 | (714) 738-6520 |
| Fullerton City Council 303 W Commonwealth Ave, Fullerton 92832 | (714) 738-6311 |
| Fullerton Community Svc 303 W Commonwealth Ave, Fullerton 92832 | (714) 738-6575 |
| Fullerton Engineering 303 W Commonwealth Ave, Fullerton 92832 | (714) 738-6845 |
| Fullerton Fiscal Svc 303 W Commonwealth Ave, Fullerton 92832 | (714) 738-6529 |