| Business | Phone |
| Accounts Payable 1795 Civic Center Blvd, Lake Havasu City 86403 | (928) 453-4146 |
| Engineering Dept 2330 Mcculloch Blvd N, Lake Havasu City 86403 | (928) 453-6336 |
| Lake Havasu City 2330 Mcculloch Blvd N, Lake Havasu City 86403 | (928) 680-4145 |
| Lake Havasu City Building Dept 2330 Mcculloch Blvd N, Lake Havasu City 86403 | (928) 453-4149 |
| Lake Havasu City Council 2330 Mcculloch Blvd N, Lake Havasu City 86403 | (928) 453-4140 |
| Lake Havasu City Municipal Ct 2001 College Dr # 148, Lake Havasu City 86403 | (928) 453-0705 |
| Lake Havasu Human Resources 2330 Mcculloch Blvd N, Lake Havasu City 86403 | (928) 453-4143 |
| Lake Havasu Street Mntnc 900 London Bridge Rd, Lake Havasu City 86404 | (928) 855-3377 |
| Lake Havasu Water Maintenance 900 London Bridge Rd, Lake Havasu City 86404 | (928) 855-2618 |