Agencies in Illinois
See the Illinois pageAll states
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Illinois Department of Commerce and Economic Opportunity
DCEO1 program800-252-8643
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Illinois Department of Employment Security
IDES1 program800-244-5631
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Illinois Department of Healthcare and Family Services
HFS3 programs800-843-6154
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Illinois Department of Human Services
IDHS11 programs800-843-6154
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Illinois Department of Insurance
IDOI1 program866-311-1119
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Illinois Department of Labor
IDOL1 program312-793-2800
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Illinois Department of Public Health
IDPH1 service800-252-8966
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Illinois Department of Revenue
IDOR1 program800-732-8866
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Illinois Department of Veterans’ Affairs
IDVA1 program800-437-9824
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Illinois Department on Aging
IDoA1 program800-252-8966
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Illinois Housing Development Authority
IHDA2 programs312-836-5200
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Illinois Secretary of State
ILSOS1 service800-252-8980
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Illinois State Board of Education
ISBE3 programs866-262-6663
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Illinois Student Assistance Commission
ISAC1 program800-899-4722
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Illinois Workers’ Compensation Commission
IWCC1 program866-352-3033
Checked against each agency's own site on October 8, 2026.
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