EX-23 3 0003.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP Exhibit 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-41458, 333-78417, 333-30375) of ADTRAN, Inc. of our report dated January 25, 2001, relating to the financial statements and financial statement schedules, which appears in this Form 10-K. /s/ PricewaterhouseCoopers LLP -------------------------- PricewaterhouseCoopers LLP Birmingham, Alabama March 23, 2001