603312Official India Post RecordDeliveryBO
Kalkulam BO
State RegionTAMIL NADU
District AreaCHENGALPATTU
Postal Circle & Administration Division
Postal CircleTamilnadu Circle
Postal RegionChennai City Region
Postal DivisionChengalpattu Division
Official GPS CoordinatesLat: 12.4722767, Long: 79.9887426
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