Calls from cell phones usually do not show CNAM information.
Test it to see - but you have to call a number whose equipment does not already have your number and name in its directory.
Blocked CID, reverse lookup shows "KIEKHAEFER JOHN" as the owner, would not trust anyone that conceals their info. Never answer calls from "UNKNOWN" callers.
Calls from cell phones usually do not show CNAM information.
Test it to see - but you have to call a number whose equipment does not already have your number and name in its directory.