1 EXHIBIT 23(a) CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement (No. 33-96186) of our reports dated March 7, 1996, included or incorporated by reference in LCI International, Inc.'s Form 10-K for the year ended December 31, 1995 and to all references to our Firm included in this registration statement. /S/ ARTHUR ANDERSEN LLP Washington, D.C. February 28, 1997