| Emergency | 911 | |
| Fire | 847-577-5645 | |
| Police | 847-368-5000 | |
| Village Hall | 847-368-5000 | |
| Township: | ||
| Elk Grove | 847-437-0300 | |
| Palatine | 847-358-6700 | |
| Wheeling | 847-259-7730 | |
| County: | ||
| Cook | 312-603-5656 | |
| Post Office | 847-253-7456 | |
| Park District | 847-577-3000 | |
| Library | 847-392-0100 | |
| Train | 847-253-6365 | |
| Gas | 888-642-6748 | |
| Electric | 800-334-7661 | |
| Water | 847-368-5000 | |
| Refuse | 800-344-5600 | |
| Telephone | 800-244-4444 | |
| Cable TV | 866-594-1234 | |
| School District: | ||
| 15 | 847-963-3000 | |
| 21 | 847-537-8270 | |
| 23 | 847-870-3850 | |
| 25 | 847-758-4900 | |
| 57 | 847-394-7300 | |
| 59 | 847-593-4300 | |
| 211 | 847-755-6600 | |
| 214 | 847-718-7600 | |
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