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                                 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): May 18, 2000

                        Crown Castle International Corp.
             (Exact Name of Registrant as Specified in its Charter)

        Delaware                    0-24737                  76-0470458
     (State or Other       (Commission File Number)         (IRS Employer
     Jurisdiction of                                   Identification Number)
     Incorporation)

                                510 Bering Drive
                                   Suite 500
                               Houston, TX 77057
                    (Address of Principal Executive Office)

       Registrant's telephone number, including area code: (713) 570-3000

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   This document includes "forward-looking" statements within the meaning of
Section 27A of the Securities Act of 1933 and Section 21E of the Securities
Exchange Act of 1934. Other than statements of historical fact, all statements
regarding industry prospects, the consummation of the transactions described in
this document and the Company's expectations regarding the future performance
of its businesses and its financial position are forward-looking statements.
These forward-looking statements are subject to numerous risks and
uncertainties.

   Capitalized terms used but not defined herein shall have the meaning
assigned thereto in the Company's Registration Statement on Form S-3 (Reg. No.
333-83395), as amended and as supplemented by a prospectus supplement dated
August 5, 1999.

Item 7. Financial Statements and Exhibits

   (a) Financial statements of businesses acquired.

   --Not applicable.

   (b) Pro forma financial information.

   The following unaudited pro forma condensed consolidated financial
statements, together with the introductory language thereto, are included
herein as Exhibit 2.1:

  (1) Unaudited Pro Forma Condensed Consolidated Statement of Operations for
      the year ended December 31, 1999

  (2) Notes to Unaudited Pro Forma Condensed Consolidated Statement of
      Operations

  (3) Unaudited Pro Forma Condensed Consolidated Balance Sheet as of December
      31, 1999

  (4) Notes to Unaudited Pro Forma Condensed Consolidated Balance Sheet

   (c) Exhibits



 Exhibit No. Description
 ----------- -----------
          
     2.1     Unaudited Pro Forma Condensed Consolidated Financial Statements of
             Crown Castle International Corp.


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                                   SIGNATURES

   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.

                                                /s/ Wesley D. Cunningham
                                          By: _________________________________
                                          Name: Wesley D. Cunningham
                                          Title:  Senior Vice President,
                                             Corporate Controller and
                                             Chief Accounting Officer
Date: May 18, 2000

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                                 EXHIBIT INDEX



 Exhibit
   No.   Description
 ------- -----------
      
 2.1     Unaudited Pro Forma Condensed Consolidated Financial Statements of
         Crown Castle International Corp.


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