Frequently requested phone numbers: 
| Municipality Numbers |
|
| City of McHenry |
815-363-2160 |
| Village of Johnsburg |
815-385-6023 |
| Village of Lakemoor |
815-385-1117 |
| Village of McCullom Lake |
815-385-2211 |
| Village of Ringwood |
815-653-5511 |
| Village of Wonder Lake |
815-728-0839 |
| County Government Numbers |
|
| McHenry County Clerk's Office |
815-334-4242 |
| McHenry County Courthouse |
815-334-4000 |
| McHenry County Health Department |
815-334-4585 |
| McHenry County Highway Department |
815-334-4960 |
| McHenry County Planning & Development |
815-334-4560 |
| McHenry County Treasurer |
815-334-4260 |
| McHenry Supervisor of Assessments |
815-334-4290 |
| Post Office Numbers |
|
| McHenry Post Office |
815-385-2108 |
| Ringwood Post Office |
815-653-9047 |
| Wonder Lake Post Office |
815-653-7771 |
| Library Numbers |
|
| Johnsburg Public Library |
815-344-0077 |
| McHenry Public Library |
815-385-0036 |
| McHenry-Nunda Public Library |
815-385-6303 |
| Area Organization Numbers |
|
| McHenry Area Chamber of Commerce |
815-385-4300 |
| McHenry County Conservation Dist. |
815-338-6223 |
| Wonder Lake Chamber of Commerce |
815-728-0682 |
Links to additional information:
Transportation options are on this page
Senior Links are on this page
Assessor Links are on this page
Assistance Resource List pdf
Community Health Care Resource List pdf |
