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The Dollar Tree store can be found in O’Fallon, MO on State Hwy K 1630. Is Dollar Tree open today? Yes, Dollar Tree store in O’Fallon is open. You can shop today from 08:00 AM to 09:00 PM.
|Monday||08:00 AM - 09:00 PM|
|Tuesday||08:00 AM - 09:00 PM|
|Wednesday||08:00 AM - 09:00 PM|
|Thursday||08:00 AM - 09:00 PM|
|Friday||08:00 AM - 09:00 PM|
|Saturday||08:00 AM - 09:00 PM|
|Sunday||09:00 AM - 08:00 PM|
|Hours may change during the holidays.|
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