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|Elevation||440 ft (130 m)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|Area code(s)||610 and 484|
|GNIS feature ID||1171611|
Chatham is an unincorporated community in London Grove Township in Chester County, Pennsylvania, United States. Chatham is located at the intersection of Pennsylvania Route 41 and Pennsylvania Route 841.