FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
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                      	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	                      	

1. Name and Address of Reporting Person *

LOCKE P STEVEN	2. Issuer Name and Ticker or Trading Symbol

ADTRAN INC [ ADTN ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
VP Service Provider Sales	
(Last)          (First)          (Middle)

901 EXPLORER BLVD.	3. Date of Earliest Transaction (MM/DD/YYYY)

10/18/2010		
(Street)

HUNTSVILLE, AL 35806
(City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)

 	6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person	

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned	
1.Title of Security
(Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code
(Instr. 8)	4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)	
			Code	V	Amount	(A) or (D)	Price				
Common Stock  	10/18/2010  	 	M	  	1106  	A	$22.53  	1106  	D  	 	
Common Stock  	10/18/2010  	 	S	  	1106  	D	$32.3775  	0  	D  	 	
Common Stock  	10/18/2010  	 	M	  	6394  	A	$22.53  	6394  	D  	 	
Common Stock  	10/18/2010  	 	S	  	6394  	D	$32.3775  	0  	D  	 	
Common Stock  	10/18/2010  	 	M	  	5750  	A	$23.02  	5750  	D  	 	
Common Staock  	10/18/2020  	 	S	  	5750  	D	$32.3775  	0  	D  	 	

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)	
1. Title of Derivate Security
(Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code
(Instr. 8)	5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)	6. Date Exercisable and Expiration Date	7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)	8. Price of Derivative Security
(Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)	
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares					
Incentive Stock Option (right to buy)  	$22.53  	10/18/2010  	 	M  	  	  	1106   	11/3/2007  	11/3/2016  	Common Stock  	1106  	$0.00  	0  	D  	 	
Non-Qualified Stock Option (right to buy)  	$22.53  	10/18/2010  	 	M  	  	  	6394   	11/3/2007  	11/3/2016  	Common Stock  	6394  	$0.00  	0  	D  	 	
Non-Qualified Stock Option (right to buy)  	$23.02  	10/18/2010  	 	M  	  	  	5750   	11/5/2008  	11/5/2017  	Common Stock  	5750  	$0.00  	0  	D  	 	

Explanation of Responses:	

Reporting Owners	
Reporting Owner Name / Address	Relationships	
	Director	10% Owner	Officer	Other	
LOCKE P STEVEN
901 EXPLORER BLVD.
HUNTSVILLE, AL 35806			VP Service Provider Sales		

Signatures		
Gayle Ellis		10/19/2010	
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).	
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).	
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.	

 POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned constitutes and appoints
James E. Matthews, Cathy Bartels, and Gayle Ellis,

and each of them, his true and lawful attorneys-in-fact and agents, with full
power of substitution, for him and in his name, place
and stead, in any and all capacities, to:
1. Execute for and on behalf of the undersigned, in the undersigned's capacity
as an officer and/or director of ADTRAN, Inc.
(the "Company"), Forms 3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended, and the rules
thereunder;
2. do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete
and execute any such Form 3, 4 or 5 and timely file such form with the United
States Securities and Exchange Commission and any
stock exchange or similar authority; and
3. take any other action of any type whatsoever in connection with the foregoing
which, in the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed
by such attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such
terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise of any of
the rights and powers herein granted, as fully to all
intents and purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby
ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause
to be done by virtue of this power of attorney and the rights and powers herein
granted.

The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in
such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934. This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file
Forms 3, 4 and 5 with respect to the undersigned's holdings of and transactions
in securities issued by the Company, unless earlier revoked
by the undersigned in assigned writing delivered to the foregoing
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 5th day of May, 2010.

P. Steven Locke        May 5,2010