Contact your service provider to trace a blocked phone call. You can also trace blocked calls from a smartphone using subscription applications or the *57 function. More » Government & Politics Public Records

To trace phone calls from an unavailable number in the United States, dial *57 after hanging up, and follow the directions provided by the electronic voice. Report the number after three successful traces by contacting y... More » Government & Politics Public Records

Phone numbers that are blocked using the star key and the number 67 can always be traced by the phone company and authorities. The call blocking feature is part of a caller ID system, and it is only blocked to the user a... More » Technology Mobile
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The number 611 is reserved in the U.S. and Canada for an immediate connection with a wireless service provider. The call is free, the number is easy to remember and it is a convenient way to check on a bill or inquire ab... More » Government & Politics Public Records

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The procedure for blocking an incoming number depends on the telephone service provider but in general, the person wanting to block a number must activate the call blocking service, if available, and specify the number t... More » Technology Mobile

Depending on what phone you have, blocking a number can be achieved by downloading a call blocking application, contacting your service provider, or adding the number to your block list. Several newer phones have a block... More » Technology Mobile