How to Identify Blocked Caller ID Calls


"Restricted," "Unavailable" or "Private" may have appeared on your Caller ID at one point or another. These are the result of someone using a Call Blocking feature, such as dialing "*67" before dialing your phone number. While there are legitimate uses for blocking calls, this feature also can be used by pranksters or harassers. If you've been receiving unwanted calls from a blocked number, there are a few different methods you can use to reveal the caller's identity.

  • Keep a log of the dates and times that you receive calls from the blocked number.

  • Sign up for TrapCall service. Once your phone number is linked to TrapCall's service, hit the "Ignore" or "End/Power" button on your phone when you receive an incoming call. This signals the number to be sent back to TrapCall's database, where it's cross-referenced and identified. You receive a text message within a few minutes from TrapCall that reveals the hidden caller's identity.

  • Speak with your phone company's annoyance desk about putting a Call Trace on your line. After receiving a call from the private number, dial "*57," and the call is sent to your phone company's database. The Call Trace feature may cost a small monthly fee, and whether they release the caller's identity to you depends on the company's policies.

  • Speak with your phone company about a service called Call Trap. While Call Trap, unlike Call Trace, may be free of charge, it's usually only temporary. For a given period of time, usually up to two weeks, your phone company keeps a record of all calls to your line and the identity of the callers. After the Call Trace expires, compare your call log with the phone company's, and, together, you identify the caller.

  • Contact your local law enforcement. The police can put a trace on your line and find the identity of the callers, even they're using a call blocking feature. Keep in mind; however, that this method should only be used for severe cases.

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