Customer Service Short Code for all circles: 121
Dial 121 from your Tata Docomo phone to reach the customer support service.

You can email your queries / complaint to the Tata Docomo customer support email address: listen@tatadocomo.com

Given below address and phone number of Tata Docomo offices in each state, and separate customer service number for that circle / state.

Andhra Pradesh
1st floor, 5-10-173,
Vasantha Chambers,
Fateh Maidan Road,
Hyderabad – 500001
Tel: 040 – 66552666
Fax: 9030002273
Customer Service Number: 9030012345

Karnataka
Monarch Ramani, 3rd Floor, 3rd Block,
7th C Main, Koramangala Industrial Layout,
Koramangala, Bangalore - 560034
Tel:080 - 65393402; 66689643
Fax: 9036002273
Customer Service Number: 9036012345

Kerala
Unit No. IV-B, 2nd floor, Leela Infopark,
Plot no 5, Infopark,Kusumagiri PO,
Kakkanad, Kochi- 682030
Tel: 0484 - 6660500
Fax: 9037002273
Customer Service Number: 9037012345

Orissa
Module A&B, 4th Floor, Fortune Tower, Chandrasekharpur,
Bhubhaneshwar – 751 023
Tel: 0674 - 6550167
Fax: 9040002273
Customer Service Number: 9040012345

Tamil Nadu
2nd Floor, M.T.Rajen's Properties,
No.40, Bazzullah Road, T.Nagar,
Chennai - 600017
Tel: 044 - 66662698
Fax: 9043002273
Customer Service Number: 9043012345