<SUBMISSION>
<ACCESSION-NUMBER>0001051470-06-000005
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20061215
<ITEMS>2.03
<FILING-DATE>20061215
<DATE-OF-FILING-DATE-CHANGE>20061215
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CROWN CASTLE INTERNATIONAL CORP
<CIK>0001051470
<ASSIGNED-SIC>4899
<IRS-NUMBER>760470458
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-16441
<FILM-NUMBER>061279912
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>510 BERING DRIVE
<STREET2>SUITE 600
<CITY>HOUSTON
<STATE>TX
<ZIP>77057
<PHONE>7135703000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>510 BERING DRIVE
<STREET2>SUITE 600
<CITY>HOUSTON
<STATE>TX
<ZIP>77057
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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      stephanie.padilla@crowncastle.com
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman"><strong>UNITED
      STATES</strong></font></div>
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      AND EXCHANGE COMMISSION</strong></font></div>
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      D.C. 20549</strong></font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman"><strong>FORM
      8-K</strong></font></div>
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      REPORT</strong></font></div>
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      TO SECTION 13 OR 15(d) OF</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>THE
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Date
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>ITEM
      2.03 - CREATION OF A DIRECT FINANCIAL OBLIGATION OR AN OBLIGATION UNDER AN
      OFF-BALANCE SHEET ARRANGEMENT OF A REGISTRANT </strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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      of the</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>&#160;</strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">refinancing</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>&#160;</strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">of
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      to occur on or before November 15, 2011. Under the swap agreement, the Company
      has agreed to pay a fixed interest rate of approximately 5.14%, beginning on
      or
      before November 15, 2011 through November 15, 2016, in exchange for receiving
      floating payments based on three-month LIBOR on the same $1.55 billion notional
      amount for the same five-year period. The swap agreements will be cash settled,
      in accordance with its terms, on or before November 15, 2011. </font></div>
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      to the requirements of the Securities Exchange Act of 1934, the registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized. </font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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      <div>
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            <tr>
              <td width="50%">&#160;</td>
              <td align="left" valign="middle" width="9%">&#160;</td>
              <td align="left" valign="bottom" width="1%">&#160;</td>
              <td align="left" valign="middle" width="26%">&#160;</td>
            </tr>
            <tr>
              <td width="50%">&#160;</td>
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                  CASTLE INTERNATIONAL CORP.</strong></font></div>
              </td>
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              </td>
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                  E. Blake Hawk</font></div>
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                  Blake Hawk</font></div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Executive
                  Vice President and General
                  Counsel</font></div>
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      December 15, 2006 </font></div>
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