| Emergency | 911 | |
| Fire | 847-304-3600 | |
| Police | 847-304-3300 | |
| Village Hall | 847-304-3400 | |
| Township: | ||
| Barrington | 847-381-5632 | |
| Nunda | 815-459-4011 | |
| Palatine | 847-358-6700 | |
| Wauconda | 847-526-2881 | |
| County: | ||
| Lake | 847-377-2000 | |
| Post Office | 847-381-6038 | |
| Park District | 847-381-0687 | |
| Hospital | 847-381-9600 | |
| Library | 847-382-1300 | |
| Train | 847-381-0065 | |
| Gas | 888-642-6748 | |
| Electric | 800-334-7661 | |
| Water | 847-842-5043 | |
| Refuse | 847-776-1720 | |
| Telephone | 800-244-4444 | |
| Cable TV | 866-594-1234 | |
| School District: | ||
| 95 | 847-438-2831 | |
| 118 | 847-526-7690 | |
| 220 | 847-381-6300 | |
www.barrington-il.gov