Phone Nos. of Thiruvallur KSEB Section
| Office Details | Phone Numbers |
| Ele Sn, Thiruvallur | 949 601 0948 |
| Ele Sn, Thiruvallur | 0496 2593838 |
KSEBL Centralised Customer Care Phone : 1912 OR 0471-2555544
KSEBL Automated Complaint Registration system : 949600 1912
KSEBL Automated Online payment Enquiry system : 949600 1912
KSEBL Automated WhatsApp system : 949600 1912