FORM 3
        
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * Piche Catherine 2. Date of Event Requiring Statement (MM/DD/YYYY)
9/1/2021 

3. Issuer Name and Ticker or Trading Symbol CROWN CASTLE INTERNATIONAL CORP [CCI]
(Last)       (First)       (Middle)
8020 KATY FREEWAY
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                          _____ 10% Owner
___X___ Officer (give title below)        _____ Other (specify below)
EVP & COO-Towers /
(Street)
HOUSTON, TX 77024      
(City)             (State)             (Zip)
5. If Amendment, Date Original Filed(MM/DD/YYYY)
 

6. Individual or Joint/Group Filing(Check Applicable Line)_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock, $0.01 Par Value  10000  D   
Common Stock, $0.01 Par Value  999  I  By 401(K) Plan 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(MM/DD/YYYY)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Time RSUs   (1)  (1) Common Stock  666.0   (2) D   
Performance RSUs   (3)  (3) Common Stock  2138.0   (2) D   
Performance RSUs   (4)  (4) Common Stock  3796.0   (2) D   
Time RSUs   (5)  (5) Common Stock  1190.0   (2) D   
Performance RSUs   (6)  (6) Common Stock  2211.0   (2) D   
Performance RSUs   (7)  (7) Common Stock  4291.0   (2) D   
Time RSUs   (8)  (8) Common Stock  1714.0   (2) D   
Performance RSUs   (9)  (9) Common Stock  1736.0   (2) D   
Performance RSUs   (10)  (10) Common Stock  2662.0   (2) D   

Explanation of Responses:
(1)  100% of these Time RSUs may vest on February 19, 2022.
(2)  Each RSU is issued pursuant to the Company's 2013 Long-Term Incentive Plan and represents a contingent right to receive one share of common stock, and vesting (i.e., forfeiture restriction termination) generally is subject to (i) the reporting person remaining an employee or director of the Company or its affiliates and (ii) the other criteria described in the footnotes herein.
(3)  0% to 150% of these Relative TSR Performance RSUs may vest on February 19, 2022 based on the Company's annualized total stockholder return ("TSR") performance ranking ("TSR Rank") relative to the constituent companies of the Standard & Poor's 500 Index for the three-year period ending December 31, 2021. The percentage of Relative TSR Performance RSUs that may vest will be (a) 0% if the TSR Rank is below the 30th percentile; (b) 50% if the TSR Rank is at the 30th percentile; (c) 100% if the TSR Rank is at the 55th percentile; and (d) 150% if the TSR Rank is at the 90th percentile or greater. If the TSR Rank is between the 30th and 55th percentiles or between the 55th and 90th percentiles, the percentage of Relative TSR Performance RSUs that may vest is determined using linear interpolation.
(4)  0% to 150% of these Absolute TSR Performance RSUs may vest on February 19, 2022 based on the Company's annualized TSR for the three-year period ending December 31, 2021. The percentage of Absolute TSR Performance RSUs that may vest will be (a) 0% if TSR is below 6.5%; (b) 50% if TSR is 6.5%; (c) 100% if TSR is 11.5%; and (d) 150% if TSR is 16.5% or greater. If TSR is between 6.5% and 11.5% or between 11.5% and 16.5%, the percentage of Absolute TSR Performance RSUs that may vest is determined using linear interpolation.
(5)  Approximately 50% of these Time RSUs may vest on February 19 of each of 2022 and 2023.
(6)  0% to 150% of these Relative TSR Performance RSUs may vest on February 19, 2023 based on the Company's TSR Rank relative to the constituent companies of the Standard & Poor's 500 Index for the three-year period ending December 31, 2022. The percentage of Relative TSR Performance RSUs that may vest will be (a) 0% if the TSR Rank is below the 30th percentile; (b) 50% if the TSR Rank is at the 30th percentile; (c) 100% if the TSR Rank is at the 55th percentile; and (d) 150% if the TSR Rank is at the 90th percentile or greater. If the TSR Rank is between the 30th and 55th percentiles or between the 55th and 90th percentiles, the percentage of Relative TSR Performance RSUs that may vest is determined using linear interpolation.
(7)  0% to 150% of these Absolute TSR Performance RSUs may vest on February 19, 2023 based on the Company's annualized TSR for the three-year period ending December 31, 2022. The percentage of Absolute TSR Performance RSUs that may vest will be (a) 0% if TSR is below 6.5%; (b) 50% if TSR is 6.5%; (c) 100% if TSR is 11.5%; and (d) 150% if TSR is 16.5% or greater. If TSR is between 6.5% and 11.5% or between 11.5% and 16.5%, the percentage of Absolute TSR Performance RSUs that may vest is determined using linear interpolation.
(8)  33 1/3% of the Time RSUs may vest on February 19 of each of 2022, 2023 and 2024.
(9)  0% to 150% of these Relative TSR Performance RSUs may vest on February 19, 2024 based on the Company's TSR Rank relative to the constituent companies of the Standard & Poor's 500 Index for the three-year period ending December 31, 2023. The percentage of Relative TSR Performance RSUs that may vest will be (a) 0% if the TSR Rank is below the 30th percentile; (b) 50% if the TSR Rank is at the 30th percentile; (c) 100% if the TSR Rank is at the 55th percentile; and (d) 150% if the TSR Rank is at the 90th percentile or greater. If the TSR Rank is between the 30th and 55th percentiles or between the 55th and 90th percentiles, the percentage of Relative TSR Performance RSUs that may vest is determined using linear interpolation.
(10)  0% to 150% of these Absolute TSR Performance RSUs may vest on February 19, 2024 based on the Company's annualized TSR for the three-year period ending December 31, 2023. The percentage of Absolute TSR Performance RSUs that may vest will be (a) 0% if TSR is below 6.5%; (b) 50% if TSR is 6.5%; (c) 100% if TSR is 11.5%; and (d) 150% if TSR is 16.5% or greater. If TSR is between 6.5% and 11.5% or between 11.5% and 16.5%, the percentage of Absolute TSR Performance RSUs that may vest is determined using linear interpolation.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Piche Catherine
8020 KATY FREEWAY
HOUSTON, TX 77024


EVP & COO-Towers

Signatures
/s/ Catherine Piche 9/2/2021
**Signature of Reporting Person Date
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