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Contact Chicago Customer Service

Chicago Phone Numbers and Emails

Customer Service Number:

  • (312) 744-5000
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Customer Service:

  • (312) 747-9580
    Employment Verifications
  • (312) 746-8030
    Food Protection
  • (312) 747-5323
    Lead Poisoning Prevention
  • (312) 747-9782
    Medical Records
  • (312) 744-3000

Business Customer Service:

  • (312) 744-6249
    Small Business Center
  • (312) 744-1944
    Small Business Center For TTY

General Info:

  • (312) 747-9884
    Department of Public Health

Jobs/ Career:

  • (312) 746-5773 ext 3

Technical Support:

  • (312) 744-4357

Chicago Emails:

Business Customer Service
Small Business Center
Customer Service
City Council Committees, Finance FOIA Request, Police Board, Public Safety Administration
General Info
Department of Public Health
Jobs/ Career
Legal
Technical Support
Web Standards
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How to Contact Chicago?

Most Popular Number:

(312) 744-5000

Consumers consulting for general inquiries and assistance can reach the customer service agents via the helpline 1-312-744-5000. The Chicago phone number 1-312-747-9580 is active for employment verifications during working hours. Those with food protection concerns can dial 1-312-746-8030 to reach the relevant department for assistance. Use 1-312-747-5323 to contact the Chicago office during business hours for lead poisoning prevention. Those within Chicago can dial 311 for help. The company agents provide various services over the phone, including sanitation and water services, resolving infrastructure issues, non-emergency police reports, animal control, public health services, and general information.

Several department-specific emails are available to consult the company agents for different purposes. Users reaching out to the City Council committees can write to councilcommitteefoia@cityofchicago.org. For finance FOIA requests, email doffoia@cityofchicago.org. Those consulting the police board for reports and complaints can submit a request to cpbfoia@cityofchicago.org during Chicago hours. The company has also published the email, psafoiarequests@cityofchicago.org, to consult its Public Safety Administration department. Those with general queries and concerns can reach the customer service team at customersupport@cityofchicago.org. To contact the small business centre for questions and concerns, write to businesslicense@cityofchicago.org.

As the name suggests, the Chicago headquarters is in Chicago. The address is 121 N. LaSalle Street, Chicago, Illinois 60602, United States. Customers can visit this address for in-person assistance with complex and sensitive issues. Those who find it inconvenient to arrive in person can consider sending a letter to the Chicago address to ensure a safe relay of their concerns. However, that is only feasible if the matter is too complex to resolve online.

Chicago's hours are not limited to a specific time or day. Instead, their Customer Service Centre operates 24 hours a day, 7 days a week, 365 days a year. Residents seeking to report non-emergency issues, request city services, and obtain information about city programs and events can benefit from this service at any time. For convenience, those intending to visit the company offices must confirm the working hours for the relevant department beforehand.

The Chicago website features an online contact form for general inquiries and feedback. Users can complete it by providing their name, email address, organisation, subject of concern, and message. However, sensitive personal information, such as Social Security numbers or credit card details, must not be included when submitting the request, since that can be risky.

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Contact Information

Chicago Website:

Chicago Help Center:

Corporate Office Address:

City of Chicago
121 N. LaSalle Street
Chicago, Illinois 60602
United States

Other Info (opening hours):

Mailing Address:

Information Technology

333 S. State Street

Chicago, Illinois 60604

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