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CRS Headquarters
430 N. Michigan Ave., 3rd Floor
Chicago, IL 60611
Toll-free phone: 800.462.8841
General phone:312.321.4400
Fax:312.329.8551

If you have general questions and questions about designation email the CRS Customer Services or call 800.462.8841.

The Customer Service Center is open weekdays from 8:45 a.m. to 4:45 p.m. CST.