Contact Us

Calumet Area Intergroup

Central Service Office

7207 Indianapolis Boulevard
Hammond, IN 46324



  • Monday – Friday 10:00 a.m. to 5:00 p.m.
  • Saturday – 10:00 a.m. to 1:00 p.m.
  • Sunday – CLOSED

Send us an e-mail

You can send us an e-mail to or fill in the form below and click the “Submit” button.  Please provide your email address or phone number if your submission requires a response.  All information shared through this form is kept confidential.

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