How do I purchase a membership?

COSI memberships can be purchased at COSI, online, through the mail, or over the phone by calling 614.228.COSI (2674).

Please note that Family Access memberships are not available for purchase via phone or web.

COSI’s mailing address:
COSI Columbus
Attn: Membership
333 West Broad Street
Columbus, OH 43215

  • Updated: October 15, 2014


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Mon-Sat, 9am - 4pm EST

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