TELECOMMUNICATIONS
| CustomerService Centre | Complaints | 2747290 |
| CustomerService Centre | Karunagappally | 2623147 |
| CustomerService Centre | Kollam | 2752100 |
| CustomerService Centre | Kottarakara | 2454630 |
| CustomerService Centre | Kottarakara | 2454656 |
| CustomerService Centre | Kundara | 2522261 |
| CustomerService Centre | Kundara | 2522469 |
| CustomerService Centre | Paravoor | 2514102 |
| CustomerService Centre | Phonogram Kollam | 185 |
| CustomerService Centre | Punalur | 2222602 |
| CustomerService Centre | Punalur | 2222679 |
| CustomerService Centre | Telegraph Enquiry Kollam | 2747290 |