How to Block a Phone Number

Whether you are avoiding a telemarketer or an ex you can block a phone number with these steps.

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You Will Need

  • Internet access
  • Phone
  • Call-blocking service
  • Cell phone's owner's manual
  • Knowledge about state laws
  • Caller ID

Steps

  1. Step 1

    Register your phone number

    Register your landline and cell phone number online with the National Do Not Call Registry.

  2. Telemarketing calls will stop approximately 31 days after registering.

  3. Step 2

    Sign up

    Sign up for a call-blocking service that meets your needs through your landline service provider. Call your provider for more information on their available call blocking services.

  4. Step 3

    Block cell phone calls

    Blocking unwanted calls from your cell phone depends on the particular phone and service you use. Check your owner's manual for filtering options.

  5. Step 4

    Review state laws

    Research your state's laws. Help may be offered for cell phone users depending on your states phone harassment or cyber stalking laws.

  6. Step 5

    Get caller ID

    Get caller ID to know who is calling. You can choose to either answer or ignore the call.

  7. Step 6

    Block your number

    Block your own phone number from being seen by the receiver by dialing star-67 before dialing the number.

  8. Telemarketers who call a consumer registered on the National Do Not Call Registry can be fined up to $11,000 per incident.

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