This depends where you are, CW TV is sometimes broadcast under affiliates such as:
KCWL-TV (CW - Lincoln)
WFLI-TV (WB - Chattanooga)
KWSD-TV (WB - Sioux Falls)
KGCW-TV (CW - Burlington)
WBUI-TV (WB - Decatur)
WWMB-TV (CW - Florence)
KWKB-TV (CW - Iowa City)
WAZE-TV (CW - Evansville)
KYTV-DT 2 (CW - Springfield)
WCYB-DT 2 (CW - Bristol)
WCYB-TV (NBC - Bristol)