EXHIBIT 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Amendment No. 1 to the registration statement of our reports dated February 6, 1997 included in and incorporated by reference in LCI International Inc.'s Form 10-K and amended Annual Report on Form 10K/A for the year ended December 31, 1996 and to all references to our Firm included in this registration statement. /s/ ARTHUR ANDERSEN LLP Washington, D.C. November 6, 1997