Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of ADTRAN Holdings, Inc. of our report dated February 25, 2022 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in ADTRAN, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2021. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
Birmingham, Alabama
December 23, 2022
