Contact Us
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| We respond to emergency calls 24/7. If you have downed lines or smell a gas odor, please call 800.755.5000 and report it immediately. | ||||
| Phone/Fax | Mailing Address | |||
| Please send your general customer service inquires to us by email. Click below to access our convenient message form. |
Residential | Payment | ||
| Phone: 800.755.5000 |
Ameren Illinois |
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| Fax: 800.851.1796 |
PO Box 88034 |
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| Hours: 7:00 a.m. - 7:00 p.m. M-F |
Chicago, IL 60680-1034 |
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| Business |
Correspondence |
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| Hours: 7:00 a.m. - 7:00 p.m., M-F | Fax: 877.263.7369 |
300 Liberty St. |
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| 7:00 a.m. - 3:30 p.m., Sat - Sun | Hours: 7:00 a.m. - 7:00 p.m. M-F |
Peoria, IL 61602 |
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Construction & Engineering |
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| Phone: 888.659.4540 |
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| Fax: 217.424.6758 |
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| Hours: 7:30 a.m. - 4:30 p.m. M-F | ||||
| Property Management | ||||
| Phone: 800.487.5795 | ||||
| Fax: 800.851.1796 | ||||
| Hours: 8:00 a.m. - 5:00 p.m. M-F | ||||
| Website Support | ||||
| Phone: 877.263.7361 | ||||
| Fax: 800.851.1796 | ||||
| Hours: 7:00 a.m. - 7:00 p.m. M-F | ||||
| Other Services | ||||
| JULIE/Call before you dig! Phone: 811 | ||||
| Hearing Impaired Phone: 711 | ||||
