India Post

Lucknow GPO Contact No.

Updated on Wednesday, 4 February 2026 - 10:26am
Organization: 
India Post
Toll free Number(s): 
1800 266 6868 (For Customer Support, 9am-6pm)
1800 425 2440 (For ATM/ Debit Card, Mobile/ Internet/ SMS Banking Related Complaint)​
Website: 
Official Website
Parent Article: 
India Post Toll Free No. 1800 266 6868
Also See: 
India Post Complaint Toll Free No. 1800 266 6868
India Post All State Contact No.
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