Exhibit 24.2 POWER OF ATTORNEY We, the undersigned officers and directors of ACC Acquisition LLC (hereinafter "the Company"), hereby severally constitute Everett R. Dobson, Bruce R. Knooihuizen and Ronald L. Ripley, and each of them, severally, our true and lawful attorneys-in-fact, will full power to them and each of them to sign for us, and in our names as officers or directors, or both, of the Company, a Registration Statement on Form S-4 and any and all amendments thereto (include post-effective amendments), granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and to perform each and every act and thing requisite and necessary to be done in and about the premises, as full to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, may lawfully do or cause to be done by virtue hereof. /s/ Everett R. Dobson President and Chief Executive Officer June 20, 2001 - ---------------------------- (Principal Executive Officer) and Everett R. Dobson Director /s/ Bruce R. Knooihuizen Treasurer and Chief Financial Officer June 20, 2001 - ---------------------------- (Principal Financial Officer) and Bruce R. Knooihuizen Director /s/ Trent LeForce Corporate Controller (Principal June 20, 2001 - ---------------------------- Accounting Officer) Trent LeForce Vice President and Director June 20, 2001 - ---------------------------- Joseph E. Stumpf /s/ Tamara A. Bramel Vice President and Director June 20, 2001 - ---------------------------- Tamara A. Bramel