| 911 Emergency | | 911 |
| Airport | | 928-764-3330 |
| Animal Control/Pet Licenses | | 928-855-5083 |
| Aquatic Center | | 928-453-2687 |
| Attorney General's Office | | 800-352-8431 |
| Board of Supervisors | | 928-753-0729 |
| Building Inspections | | 928-855-3816 |
| Building Permits | | 928-453-4148 |
| Bureau of Land Management | | 928-505-1200 |
| Buried Cable (Blue Stake) | | 800-782-5348 |
| Business License | | 928-453-4153 |
| Chamber of Commerce (Lake Havasu City) | | 928-855-4115 |
| City Council | | 928-453-4140 |
| City Hall | | 928-855-2116 |
| City Manager | | 928-453-4141 |
| Colorado River Building Association | | 928-453-7755 |
| Court | | 928-453-0705 |
| Department of Revenue | | 928-542-2076 |
| Economic Development | | 928-505-7333 |
| Fire Prevention | | 928-453-3313 |
| Havasu Regional Medical Center | | 928-855-8185 |
| Health Department | | 928-453-0703 |
| Interagency Council | | 928-453-5800 |
| Internal Revenue (IRS) | | 800-829-1040 |
| Job Service (DES) | | 928-680-6005 |
| John Bemis, REALTOR | | 928-486-1906 Cell |
| Lake Havasu City Clerk | | 928-453-4142 |
| Lake Havasu City Transit Service | | 928-453-7600 |
| Library | | 928-453-0718 |
| Mayor | | 928-453-4152 |
| Memorial Tree Program | | 928-855-1851 |
| Mohave Community College | | 928-855-7812 |
| Motor Vehicle Division | | 928-855-4355 |
| Mudshark Brewing Company | | 928-453-2981 |
| Neighborhood Watch Program | | 928-855-1171 |
| Parks & Recreation | | 928-453-8686 |
| Police (City/Business Office) | | 928-855-1171 |
| Police Dispatch (City/non | emergency) | | 928-855--4111 |
| Post Office | | 928-855-2361 |
| Public Works Department | | 928-453-6660 |
| Red Cross | | 928-453-9529 |
| Registrar of Contractors (State) LHC | | 928-855-2144 |
| Senior Center | | 928-453-0715 |
| Sheriff (County) | | 928-453-0700 |
| Silent Witness | | 928-854-8477 |
| Social Security | | 800-772-1213 |
| Street Maintenance | | 928-855-3377 |
| Swap Meet Hotline | | 928-680-5685 |
| Tax Assessor's Office (County) | | 928-753-0703 |
| Tax Assessor's Office (Local) | | 928-453-0702 |
| Time and Temperature | | 928-453-3000 |
| Tourism Bureau | | 928-453-3444 |
| Treasurer (County) | | 928-753-0737 |
| Utilities (Cable TV) | | 928-855-7815 |
| Utilities (City Water) | | 928-453-4146 |
| Utilities (County Water) | | 928-453-4748 |
| Utilities (Electric) | | 928-855-2138 |
| Utilities (Gas) | | 928-453-0595 |
| Utilities (Sewer) | | 928-453-4146 |
| Utilities (Telephone) | | 928-453-1122 |
| Utilities (Trash) | | 928-855-9441 |
| Veteran's Information | | 800-827-1000 |
| Voter's Registration | | 928-753-0767 |
| Wastewater Division | | 928-855-3999 |
| Water Conversation | | 928-855-0336 |