TGSPDCL Customer Services Please register with Applicant's/Consumer's Mobile Number as future SMS/Alerts shall be sent to this Mobile Number To Pay Bill Amount select any of the below Payment Gateways Pay your postpaid or prepaid electricity bill online using the unique service number printed on your bill. Verify your name and details before proceeding to make payment and check your outstanding amount. 4. Consumers (other than Hyderabad District) are requested to enter Areacode and Service Number with a space in between them (as it appears on Bill) Ex:-1234 56789.