You can contact Columbia Quarry Co. Main Office at (618) 281-7631.

Plant Phone Numbers

• Columbia Plant
  • (618) 281-5125
    
• Dupo Plant
  • (618) 286-4824
    
• Waterloo Plant
  • (618) 939-8833
    

Plant Hours

• Columbia
  • M-F 6:30 A.M. to 6 P.M.
  • Sat. 7 A.M. to 11 A.M.
    
• Dupo
  • M-F 6:30 A.M. to 4:30 P.M.
  • Sat. Closed
    
• Waterloo
  • M-F 7 A.M. to 4:30 P.M.
  • Sat. 7 A.M. to 12 P.M. (noon)

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