This person by the name of Robert Monroe will call as CPS in San Antonio stating the will disconnect power if you don't pay money. The will ask for a money order or a prepaid card
to connect back services.
1-888-201-8631 is a scam. Report if it comes through your phoneline
To report number go to the FCC website and report any number like this.
https://www.fcc.gov/consumers/guides/stop-unwanted-calls-and-texts