EXHIBIT 16.1 DELOITTE & TOUCHE LLP ---------- ---------------------------- --------------------------- 2000 First National Center Telephone: (402) 346-7788 Omaha, Nebraska 68102-1504 Facsimile: (402) 346-0711 (402) 344-0372 October 19, 1998 Securities and Exchange Commission Mail Stop 9-5 450 5th Street, N.W. Washington, D.C. 20549 Dear Sirs/Madams: We have read and agree with the comments in Item 4 of Form 8-K of Atlantic Tele-Network, Inc. dated October 19, 1998. Yours truly, Deloitte & Touche LLP