State - Tamil Nadu

Disctricts in Tamil Nadu for which we have postboxes.

Open Postbox is a list of crowsourced, geotagged post boxes across India.
District Pincodes
Chennai 600018 (5), 600028 (1), 600086 (1), 680003 (1),
Vellore 635851 (2), 635852 (1), 635951 (1),