Phone Nos. of Thekkumbhagom KSEB Sub Center
| Office Details | Phone Numbers |
| Overseer Office, Thekkumbhagom | 949 601 1623 |
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