| Emergency | 911 | |
| Fire | 630-837-5181 | |
| Police | 630-372-4400 | |
| Village Hall | 630-372-4200 | |
| Township: | ||
| Bloomingdale | 630-529-7715 | |
| Hanover | 630-837-0301 | |
| Schaumburg | 847-884-0030 | |
| Wayne | 630-231-7140 | |
| County: | ||
| Cook | 312-603-5656 | |
| DuPage | 630-682-7000 | |
| Post Office | 630-837-1626 | |
| Park District | 630-827-2465 | |
| Library | 630-372-0052 | |
| Train | 630-736-2072 | |
| Gas | 888-642-6748 | |
| Electric | 800-334-7661 | |
| Water | 630-372-4233 | |
| Refuse | 630-469-1036 | |
| Telephone | 800-244-4444 | |
| Cable TV | 866-594-1234 | |
| School District: | ||
| 20 | 630-894-2250 | |
| 46 | 847-888-5000 | |
| 54 | 847-885-6700 | |
| 87 | 630-469-9100 | |
| 93 | 630-462-8900 | |
| 108 | 630-529-4500 | |
| 211 | 847-755-6600 | |
www.hanoverparkillinois.org