Malicious caller identification, introduced in 1992 as call trace, is activated by the vertical service code *57 ("star fifty-seven"),
Malicious caller identification
19 words updated Jun 20, 2026, 11:07 AM
WikiHQWikiHQ19 words updated Jun 20, 2026, 11:07 AM
Malicious caller identification, introduced in 1992 as call trace, is activated by the vertical service code *57 ("star fifty-seven"),