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Step 1
Block unwanted incoming calls by entering the caller's phone number, including area code, in your cell phone's call-block feature. The procedure varies with cell phone models, but typically involves scrolling to "selective call block" and pressing the "enter" button.
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Step 2
Report threatening and obscene calls or text messages to the police, so the calls can be traced if the harasser is using a caller ID blocking feature.
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Step 3
Save any harassing voice mail or text messages for use as evidence.
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Step 4
File a written report with the police to initiate a criminal investigation and secure a subpoena for the telephone company, which may require formal legal service to release information about a caller's identity.
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Step 5
Stop annoying sales calls by registering your phone number with the National Do Not Call Registry (https://www.donotcall.gov/default.aspx), which will reduce and possibly even eliminate telemarketing calls. Registration is free, does not expire, and can be done for every phone number you have.
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Step 6
File a complaint with the Federal Communications Commission by email (fccinfo@fcc.gov) or online at www.fcc.gov/cgb/complaints.html.
















