<SEC-DOCUMENT>0001564590-18-016268-index.html : 20180627
<SEC-HEADER>0001564590-18-016268.hdr.sgml : 20180627
<ACCEPTANCE-DATETIME>20180627151135
ACCESSION NUMBER:		0001564590-18-016268
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180627
DATE AS OF CHANGE:		20180627

FILER:

	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

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24612
		FILM NUMBER:		18921632

	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>11-K
<SEQUENCE>1
<FILENAME>adtn-11k_20171231.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: adtn-11k_20171231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>adtn-ex231_6.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 2 - file: adtn-ex231_6.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>adtn-ex232_31.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: adtn-ex232_31.htm

</DOCUMENT>
</SEC-DOCUMENT>