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)

2/1/2011		
(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  	2/1/2011  	 	M	  	2500  	A	$22.53  	2500  	D  	 	
Common Stock  	2/1/2011  	 	S	  	2500  	D	$41.6966   (1)	0  	D  	 	
Common Stock  	2/1/2011  	 	M	  	1897  	A	$23.02  	1897  	D  	 	
Common Stock  	2/1/2011  	 	S	  	1897  	D	$41.6966   (1)	0  	D  	 	
Common Stock  	2/1/2011  	 	M	  	2875  	A	$23.46  	2875  	D  	 	
Common Staock  	2/1/2011  	 	S	  	2875  	D	$41.6966   (1)	0  	D  	 	
Common Stock  	2/1/2011  	 	M	  	978  	A	$23.02  	978  	D  	 	
Common Stock  	2/1/2011  	 	S	  	978  	D	$41.6966   (1)	0  	D  	 	
Common Stock  	2/1/2011  	 	M	  	2875  	A	$15.29  	2875  	D  	 	
Common Stock  	2/1/2011  	 	S	  	2875  	D	$41.6966   (1)	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  	2/1/2011  	 	M  	  	  	2500   	11/3/2007  	11/3/2016  	Common Stock  	2500  	$0.00  	0  	D  	 	
Incentive Stock Option (right to buy)  	$23.02  	2/1/2011  	 	M  	  	  	1897   	11/5/2008  	11/5/2017  	Common Stock  	1897  	$0.00  	2875  	D  	 	
Non-Qualified Stock Option (Right to Buy)  	$23.46  	2/1/2011  	 	M  	  	  	2875   	11/7/2010  	11/7/2019  	Common Stock  	2875  	$0.00  	3362  	D  	 	
Non-Qualified Stock Option (right to buy)  	$23.02  	2/1/2011  	 	M  	  	  	978   	11/5/2008  	11/5/2017  	Common Stock  	978  	$0.00  	0  	D  	 	
Non-Qualified Stock Option (right to buy)  	$15.29  	2/1/2011  	 	M  	  	  	2875   	11/6/2009  	11/6/2018  	Common Stock  	2875  	$0.00  	664  	D  	 	

Explanation of Responses:	
(1) 	The shares were sold in multiple transactions at prices ranging from $41.66 to $41.78. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request by the Securities and Exchange Commission, the Issuer, or a security holder of the issuer.	

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 by Power of Attorney		2/3/2011	
** 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.