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<title>Prepared By R.R. Donnelley Financial -- Form 8-K</title>
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<b>UNITED STATES </b></font></div>

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<b>SECURITIES AND EXCHANGE COMMISSION </b></font></div>

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<b>Washington, D.C. 20549 </b></font></div>

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<b>Form 8-K </b></font></div> <div><font Size="1">&nbsp;</font></div>

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<b>Current Report </b></font></div>

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<b>Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 </b></font></div>

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<b>Date of Report (Date of earliest event reported):&nbsp;&nbsp;07/23/2007 </b></font></div>




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<b>CROWN CASTLE INTERNATIONAL CORP. </b></font></div>

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<b>(Exact name of registrant as specified in its charter)</b></font></div>

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<b>Commission File Number:&nbsp;&nbsp;001-16441</b></font></div>

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<div Align="center"><font Face="times New Roman" Size="3" Color="#000000"><b>Delaware</b></font>
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<b>(State or other jurisdiction of</b></font>
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<div Align="center"><font Face="times New Roman" Size="2" Color="#000000"><b>(IRS Employer</b></font>
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<b>incorporation)</b></font>
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<b>Identification No.)</b></font>
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<b>510 Bering Drive, Suite 600, Houston, TX 77057</b></font></div>


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<b>(Address of principal executive offices, including zip code)</b></font>
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<b>713-570-3147 </b></font>
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<b>(Registrant&#146;s telephone number, including area code)</b></font>
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<b> </b></font>
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<b>(Former name or former address, if changed since last report) </b></font>
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<b>Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:<BR><BR>
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<b>[&nbsp;&nbsp;]&nbsp;&nbsp;
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>

[&nbsp;&nbsp;]&nbsp;&nbsp;
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>


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Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>


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Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
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Information to be included in the report</b>
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<b>Item 7.01.&nbsp;&nbsp;&nbsp;&nbsp;Regulation FD Disclosure</b></font>
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On July 23, 2007, Crown Castle International Corp. ("Crown Castle") issued a press release announcing that a Crown Castle subsidiary has entered into a lease of its U.S. nationwide 1670 - 1675 MHz spectrum.  The July 23, 2007 press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K.</font>
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<b>Item 9.01.&nbsp;&nbsp;&nbsp;&nbsp;Financial Statements and Exhibits</b></font>
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<p>(d)  Exhibits<p>Exhibit No.&nbsp;&nbsp;&nbsp; Description</div><div align="left" style="text-indent:4%">99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Press release dated July 23, 2007<p>The information in Item 7.01 of this Form 8-K and Exhibit 99.1 attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended ("Exchange Act"), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.</div><div align="left" style="text-indent:4%"></font>
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<b>Signature(s) </b></font>
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Pursuant 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>
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	CROWN CASTLE INTERNATIONAL CORP.</font>
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	Date: July 23, 2007</font>
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	By:</font>
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	/s/&nbsp;&nbsp;&nbsp;&nbsp;E. Blake Hawk</font>
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	E. Blake Hawk</font>
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	<div><font Face="times New Roman" Size="2" Color="#000000">Executive Vice President</font>
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<b>Exhibit Index </b></font>
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	<b>Exhibit&nbsp;No.</b></font>
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	<b>Description</b></font>
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	EX-99.1</font>
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	Press release dated July 23, 2007</font>
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Prepared By R.R. Donnelley Financial -- Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 8-K
Current Report
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):  07/23/2007
CROWN CASTLE INTERNATIONAL CORP.
(Exact name of registrant as specified in its charter)
Commission File Number:  001-16441
Delaware
76-0470458
(State or other jurisdiction of
(IRS Employer
incorporation)
Identification No.)
510 Bering Drive, Suite 600, Houston, TX 77057
(Address of principal executive offices, including zip code)
713-570-3147
(Registrant's telephone number, including area code)
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
[  ]  
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
[  ]  
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
[  ]  
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
[  ]  
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Information to be included in the report
Item 7.01.    Regulation FD Disclosure
On July 23, 2007, Crown Castle International Corp. ("Crown Castle") issued a press release announcing that a Crown Castle subsidiary has entered into a lease of its U.S. nationwide 1670 - 1675 MHz spectrum.  The July 23, 2007 press release is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K.
Item 9.01.    Financial Statements and Exhibits
(d)  Exhibits
Exhibit No.    Description
99.1                Press release dated July 23, 2007
The information in Item 7.01 of this Form 8-K and Exhibit 99.1 attached hereto shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended ("Exchange Act"), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.
Signature(s)
Pursuant 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.
CROWN CASTLE INTERNATIONAL CORP.
Date: July 23, 2007
By:
/s/    E. Blake Hawk
E. Blake Hawk
Executive Vice President
Exhibit Index
Exhibit No.
Description
EX-99.1
Press release dated July 23, 2007