0001051470 2021-08-05 2021-08-05 0001051470 exch:XNYS 2021-08-05 2021-08-05 0001051470 false 8-K 2021-08-05 Crown Castle International Corp DE 001-16441 76-0470458 8020 Katy Freeway Houston TX 77024-1908 713 570-3000 false false false false Common Stock, $0.01 par value CCI NYSE false