If you wish to contact the administrators of costbasis.com, the best way is e-mail.
We can also be reached at:
Costbasis.com, Inc. P O Box 11022 Chicago, IL 60611 USA
Email: webmaster@costbasis.com (best way)
Voice: 312.835.8512 (leave a message)
Fax: 312.787.8922
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