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.
For additional information or assistance, contact the DFAS Centralized Customer Support Unit toll free at 1-888-DFAS411 or 1-888-332-7411, or call commercial at (216) 522-5096, or use the Defense Switching Network (DSN) at 580-5096.