EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 333-92091 of Alaska Communications Systems Group, Inc. on Form S-8 of our report dated February 20, 2003 (August 5, 2003 as to Notes 16 and 21), appearing in the Annual Report on Form 10-K/A of Alaska Communications Systems Group, Inc. for the year ended December 31, 2002. /s/ DELOITTE & TOUCHE LLP Portland, Oregon September 30, 2003