EXHIBIT 16.1 April 12, 1999 Office of the Chief Accountant Securities and Exchange Commission 450 Fifth Street, N.W. Washington, D.C. 20549 Dear Sir/Madam: We have read Item 9 included in the Form 10-K dated April 12, 1999 of Coaxial Communications of Central Ohio, Inc., Phoenix Associates and Insight Communications of Central Ohio, Inc. filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, /s/ ARTHUR ANDERSEN LLP cc: Mr. Daniel Mannino, Vice President and Controller Coaxial Communications of Central Ohio, Inc.