    <SEC-DOCUMENT>0001193125-23-081611-index.html : 20230328
    <SEC-HEADER>0001193125-23-081611.hdr.sgml : 20230328
    <ACCEPTANCE-DATETIME>20230328100656
    ACCESSION NUMBER:		0001193125-23-081611
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20230328
    DATE AS OF CHANGE:		20230328

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ADTRAN Holdings, Inc.
    		CENTRAL INDEX KEY:			0000926282
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
    		IRS NUMBER:				872164282
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-41446
    		FILM NUMBER:		23766749

    	BUSINESS ADDRESS:
    		STREET 1:		901 EXPLORER BLVD
    		CITY:			HUNTSVILLE
    		STATE:			AL
    		ZIP:			35806
    		BUSINESS PHONE:		256-963-8220

    	MAIL ADDRESS:
    		STREET 1:		901 EXPLORER BLVD
    		CITY:			HUNTSVILLE
    		STATE:			AL
    		ZIP:			35806

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ADTRAN INC
    		DATE OF NAME CHANGE:	19940705
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d305204ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d305204ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g305204dsp003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g305204dsp003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g305204dsp004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g305204dsp004.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>