<ARTICLE>                     5
<LEGEND>
RESTATED FINANCIAL DATA SCHEDULE
This schedule contains summary financinal information extracted from the
condensed statement of income for the year ended December 31, 1996 and the
condensed balance sheet as of December 31, 1996 and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<CIK>                                       0000926282
<NAME>                                      ADTRAN, Inc.
<MULTIPLIER>                                1
<CURRENCY>                                  US DOLLAR
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>               DEC-31-1996            
<PERIOD-START>                  JAN-01-1996    
<PERIOD-END>                    DEC-31-1996    
<EXCHANGE-RATE>                          1    
<CASH>                          44,839,131              
<SECURITIES>                    32,555,930     
<RECEIVABLES>                   34,698,284     
<ALLOWANCES>                      (872,724)     
<INVENTORY>                     40,792,646    
<CURRENT-ASSETS>               156,235,933     
<PP&E>                          67,608,220     
<DEPRECIATION>                 (13,637,007)             
<TOTAL-ASSETS>                 210,207,146    
<CURRENT-LIABILITIES>           15,726,131     
<BONDS>                         20,000,000     
<PREFERRED-MANDATORY>                    0      
<PREFERRED>                              0      
<COMMON>                           387,695    
<OTHER-SE>                     172,491,204      
<TOTAL-LIABILITY-AND-EQUITY>   210,107,146     
<SALES>                        250,120,836     
<TOTAL-REVENUES>               250,120,836     
<CGS>                          129,953,371     
<TOTAL-COSTS>                  129,953,371     
<OTHER-EXPENSES>                34,308,436     
<LOSS-PROVISION>                   430,637
<INTEREST-EXPENSE>                (894,657)   
<INCOME-PRETAX>                 63,501,796   
<INCOME-TAX>                    23,681,892     
<INCOME-CONTINUING>             39,819,904     
<DISCONTINUED>                           0     
<EXTRAORDINARY>                          0      
<CHANGES>                                0      
<NET-INCOME>                    39,819,904     
<EPS-PRIMARY>                         1.01     
<EPS-DILUTED>                         1.01