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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001104659-03-023801.txt : 20031027
<SEC-HEADER>0001104659-03-023801.hdr.sgml : 20031027
<ACCEPTANCE-DATETIME>20031027153817
ACCESSION NUMBER:		0001104659-03-023801
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031023
FILED AS OF DATE:		20031027

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			STECKO PAUL T
		CENTRAL INDEX KEY:			0001239789

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15399
		FILM NUMBER:		03958544

	BUSINESS ADDRESS:	
		STREET 1:		TENNECO AUTOMOTIVE
		STREET 2:		500 NORTH FIELD DRIVE
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PACKAGING CORP OF AMERICA
		CENTRAL INDEX KEY:			0000075677
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPERBOARD CONTAINERS & BOXES [2650]
		IRS NUMBER:				364277050
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1900 W FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
		BUSINESS PHONE:		8474823000

	MAIL ADDRESS:	
		STREET 1:		1900 W FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
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        <directOrIndirectOwnership>
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        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
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    </nonDerivativeTransaction>
    <nonDerivativeTransaction>
      <securityTitle>
        <value>Common Stock</value>
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      <transactionDate>
        <value>2003-10-24</value>
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      <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>S</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
        <value></value>
      </transactionTimeliness>
      <transactionAmounts>
        <transactionShares>
          <value>100</value>
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        <transactionPricePerShare>
          <value>19.17</value>
        </transactionPricePerShare>
        <transactionAcquiredDisposedCode>
          <value>D</value>
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      </transactionAmounts>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>118600</value>
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      <ownershipNature>
        <directOrIndirectOwnership>
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    <nonDerivativeTransaction>
      <securityTitle>
        <value>Common Stock</value>
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      <transactionDate>
        <value>2003-10-24</value>
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      <transactionCoding>
        <transactionFormType>4</transactionFormType>
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        <value></value>
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      <transactionAmounts>
        <transactionShares>
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        <sharesOwnedFollowingTransaction>
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    <nonDerivativeTransaction>
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        <transactionShares>
          <value>900</value>
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        <transactionAcquiredDisposedCode>
          <value>D</value>
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      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>117600</value>
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        <directOrIndirectOwnership>
          <value>D</value>
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    <nonDerivativeTransaction>
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        <transactionFormType>4</transactionFormType>
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        <value></value>
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        <transactionShares>
          <value>1400</value>
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        <transactionPricePerShare>
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        <transactionAcquiredDisposedCode>
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      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>116200</value>
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        <directOrIndirectOwnership>
          <value>D</value>
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    <nonDerivativeTransaction>
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        <value></value>
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        <sharesOwnedFollowingTransaction>
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        <directOrIndirectOwnership>
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    <nonDerivativeTransaction>
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        <value></value>
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        <transactionShares>
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        <transactionAcquiredDisposedCode>
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        <sharesOwnedFollowingTransaction>
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        <sharesOwnedFollowingTransaction>
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        <sharesOwnedFollowingTransaction>
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        <value></value>
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        <sharesOwnedFollowingTransaction>
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        <directOrIndirectOwnership>
          <value>D</value>
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  <derivativeTable>
    <derivativeTransaction>
      <securityTitle>
        <value>Employee Stock Option (right to buy)</value>
      </securityTitle>
      <conversionOrExercisePrice>
        <value>4.55</value>
      </conversionOrExercisePrice>
      <transactionDate>
        <value>2003-10-23</value>
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      <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>M</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
        <value></value>
      </transactionTimeliness>
      <transactionAmounts>
        <transactionShares>
          <value>81000</value>
        </transactionShares>
        <transactionPricePerShare>
          <footnoteId id="F2"/>
        </transactionPricePerShare>
        <transactionAcquiredDisposedCode>
          <value>D</value>
        </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
        <footnoteId id="F1"/>
      </exerciseDate>
      <expirationDate>
        <value>2009-06-01</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>81000</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>1113400</value>
        </sharesOwnedFollowingTransaction>
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      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
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    </derivativeTransaction>
    <derivativeTransaction>
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        <value>Employee Stock Option (right to buy)</value>
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      <conversionOrExercisePrice>
        <value>4.55</value>
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      <transactionDate>
        <value>2003-10-24</value>
      </transactionDate>
      <transactionCoding>
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        <transactionCode>M</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionTimeliness>
        <value></value>
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      <transactionAmounts>
        <transactionShares>
          <value>86200</value>
        </transactionShares>
        <transactionPricePerShare>
          <footnoteId id="F2"/>
        </transactionPricePerShare>
        <transactionAcquiredDisposedCode>
          <value>D</value>
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      <exerciseDate>
        <footnoteId id="F1"/>
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      <expirationDate>
        <value>2009-06-01</value>
      </expirationDate>
      <underlyingSecurity>
        <underlyingSecurityTitle>
          <value>Common Stock</value>
        </underlyingSecurityTitle>
        <underlyingSecurityShares>
          <value>86200</value>
        </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
        <sharesOwnedFollowingTransaction>
          <value>1027200</value>
        </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
        <directOrIndirectOwnership>
          <value>D</value>
        </directOrIndirectOwnership>
      </ownershipNature>
    </derivativeTransaction>
  </derivativeTable>
  <footnotes>
    <footnote id="F1">The reported securities are immediately exercisable.</footnote>
    <footnote id="F2">Per SEC instruction, column left blank.</footnote>
  </footnotes>
  <ownerSignature>
    <signatureName>Paul T. Stecko</signatureName>
    <signatureDate>2003-10-27</signatureDate>
  </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----