You can contact Columbia Quarry Co.
Main Office at (618) 646-5379

Plant Phone Numbers

Columbia Plant
(618) 281-5125

Dupo Plant
(618) 286-4824

Waterloo Plant
(618) 939-8833

Plant Loading Hours

Columbia
                                                         Monday - Friday            6:30 A.M. to 4:30 P.M.
                                          Saturday                                 Closed

Dupo       
                                                         Monday - Friday            6:30 A.M. to 4:30 P.M.
                                                         Saturday                6:30 A.M. to 12:00 (noon)

Waterloo
                                                         Monday - Friday            6:30 A.M. to 4:30 P.M.
                                                         Saturday                 6:30 A.M. to 12:00 (noon)