How to Put Your Number on Private: the Complete Guide for Any Smartphone
When software toggles and prefix codes do not offer enough permanence, major telecommunications carriers allow users to implement account-level caller ID suppression. Carriers such as Verizon, AT&T, T-Mobile, Movistar, and Claro maintain profile-level settings accessible via their customer portals or administrative telephone support.
Once provisioned at the network switchboard, your number remains suppressed on every call without relying on your phone's local software state. If you temporarily need to show your number while an account-level block is active, you reverse the command on the fly. In North America, dialing *82 before entering the target number unmasks your caller ID for that single connection. In countries running on the GSM standard, dialing *31# achieves the exact same temporary exposure.