Library circulation. Library circulation or library lending comprises the activities around the lending of library books and other material to users of a lending library. A circulation or lending department is one of the key departments of a library.
1 Address: Carfax, Inc. 5860 Trinity Pkwy. 2  Ste. 600 Centreville, VA 20120. 3  Phone Number: Callers can reach the Carfax headquarters at 1-703-934-2664. 4  Fax Number: Dealers and vehicle owners can fax documents to 1-703-691-2861.
Our Experience. One phone number we found for Carfax customer service was the dealer customer service, not the consumer customer service phone number. The second phone number sent us to the banking and insurance group â again, not customer service.