Phone & Fax Numbers
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Residential Customer Service
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Phone:
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800.755.5000 |
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7:00 a.m. - 7:00 p.m. (M-F)
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Fax:
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800.851.1796 |
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Business Customer Service
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Phone: |
800.232.2477 |
| 7:00 a.m. - 7:00 p.m. (M-F) |
Fax: |
877.263.7369 |
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Construction & Engineering Services
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Phone: |
888.659.4540 |
| 7:00 a.m. - 5:00 p.m. (M-F) |
Fax: |
217.424.6758 |
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| Online Application: |
Residential Construction |
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Comm. & Ind. Construction |
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Website Support
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Phone: |
877.263.7361 |
| 8:00 a.m. - 4:30 p.m. (M-F) |
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Call before you dig!
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Phone: |
811 |
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Hearing Impaired
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Phone: |
711 |
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Ameren Illinois, phone and fax numbers, construction hotline, customer service phone numbers, website support
