West Bengal
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)