<SEC-DOCUMENT>0001179022-18-000093.txt : 20181121
<SEC-HEADER>0001179022-18-000093.hdr.sgml : 20181121
<ACCEPTANCE-DATETIME>20181121165955
ACCESSION NUMBER:		0001179022-18-000093
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20181109
FILED AS OF DATE:		20181121
DATE AS OF CHANGE:		20181121

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STANTON THOMAS R
		CENTRAL INDEX KEY:			0001191219

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24612
		FILM NUMBER:		181198711

	MAIL ADDRESS:	
		STREET 1:		C/O ADTRAN
		STREET 2:		901 EXPLORER BLVD.
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ADTRAN INC
		CENTRAL INDEX KEY:			0000926282
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		IRS NUMBER:				630918200
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806
		BUSINESS PHONE:		2569638220

	MAIL ADDRESS:	
		STREET 1:		901 EXPLORER BLVD
		CITY:			HUNTSVILLE
		STATE:			AL
		ZIP:			35806
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2018-11-09</periodOfReport>

    <dateOfOriginalSubmission>2018-11-16</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000926282</issuerCik>
        <issuerName>ADTRAN INC</issuerName>
        <issuerTradingSymbol>ADTN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001191219</rptOwnerCik>
            <rptOwnerName>STANTON THOMAS R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>901 EXPLORER BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HUNTSVILLE</rptOwnerCity>
            <rptOwnerState>AL</rptOwnerState>
            <rptOwnerZipCode>35806</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2018-11-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>42647</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>157366</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents a grant of restricted stock units that vest in four equal and annual installments beginning on the first anniversary date of the grant.</footnote>
        <footnote id="F2">The reporting person is filing this amendment to correct the number of shares of common stock acquired on November 9, 2018.  The reporting person previously reported the acquisition on November 9, 2018 of 43,704 shares of common stock as reported on a Form 4 filed on November 16, 2018. The actual number of shares of common stock acquired on November 9, 2018 was 42,647.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Roger Shannon, by power of attorney</signatureName>
        <signatureDate>2018-11-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
