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|Elevation||692 ft (211 m)|
|Time zone||Central (CST) (UTC-6)|
|• Summer (DST)||CDT (UTC-5)|
|Area code(s)||815 & 779|
|GNIS feature ID||423284|
Waltham is an unincorporated community located on E. 8th Road in Waltham Township in LaSalle County, Illinois, United States, approximately six miles north of Utica. It contains a church and several homes constructed in the 1960s.
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