India Post

Kolkata GPO Contact No.

Organization: 

India Post

Toll free Number(s): 

1800 266 6868 (Customer Support, 9am-6pm Mon-Sat)

1800 11 2011 (For International Mails)

1800 425 2440 (For ATM/ Debit Card, Mobile/ Internet/ SMS Banking related grievances)

All India Number(s): 

033-2225 3800 (For Contact)

033-2212 3151 (For Support)

Website: 

Check Official Website