How to Restrict My Cell Phone Number


Cell phones have become an important communications tool in society. People of all ages, cultures and socioeconomic levels are no longer restricted by traditional land lines for telecommunications. As necessary as cell phones have become, one inconvenient aspect you may encounter is receiving unwanted phone calls. There are ways your cell phone number may be restricted, however.

  • By registering your cell phone number with the National Do Not Call Registry, you can eliminate annoying telemarketing calls for a period of up to five years. You can verify your number in the registry by calling (888) 382-1222. This process will not block all telemarketing calls, however. Calls from political organizations, charities, telephone surveyors and companies with which you have an existing business relationship or from which you agreed to receive calls will still be allowed to call you.

  • You can restrict your cell phone number on a call-by-call basis by dialing the star symbol (*) on your keypad and 67 before calling a phone number. Referred to as a line block, this process does not restrict your number from emergency services or any toll-free prefixes such as 700, 800, 866, 877 and 900. This will, however, restrict your number from displaying on calls you place to individuals or businesses. Your caller identification will read as “Restricted” or “Private Call.”

  • You can permanently restrict your cell phone number by requesting a line block from your cell phone carrier. As with the call-by-call restriction, your number will not display on calls you place from your cell with the exception of emergency services and toll-free numbers. If you want your number to show up on a particular call, however, you need to dial *82 before dialing the number. This simple step will allow your cell phone number to be displayed for that one specific call.

  • You can also restrict your cell phone number by using call forwarding. An individual can call you at a particular number and the call will then be forwarded to your cell phone without the caller becoming aware of your real number.

  • "Spoofing" allows you display a different name and number than the one you are calling from. To use a typical spoofing service, you would pay in advance for a personal identification number (PIN) that would allow you to make a call for a certain period of time. The fake information would be seen by the receiver, who would assume the call was coming from a different phone number--the spoofed number used by the caller. reports that fake spoofing services are under investigation by the Federal Communications Commission.

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