Helpline Numbers
| Common Service Number (Landline/Triband/Mobile) | 1130 |
| Landline | 1500 or 22221500 |
| Internet / Triband | 1504 0r 1800228844 or 22221504 |
| DOLPHIN /TRUMP | 1503 or 9869012345 or 22221503 |
| GARUDA | 1502 or 22221502 |
| FTTH | 1505 |
Other Customer care numbers
| IN Services | 1800 22 1500 |
Other Services
| Fault Booking (Landline & Broadband) |
198 ( Please Call 1500 if you want operator Assistance) |
| Fault Booking (Leased Circuit) | 12676 , 22652225 |
| Changed Number Announcement | 1951 (for all languages) |
| Directory Enquiry | 197 |
| STD code enquiry Service | 1582 |
| Public Grievance Service | 1509 |
| Know your Landline/Broadband unpaid Bill Amount | 1660(Toll free) or Dial 022-22192120(From All Operators) |
| Know your Landline/Broadband unpaid Bill Amount through SMS | Send SMS Bill ‹Landline No› to 51001 |
