Verizon

• 1). Press "*73" from the cell phone's main screen. The same code is used for residential phones.
  
  
• 2). Press "Send."
  
  
• 3). Wait to hear the confirmation beep and message to indicate that call forwarding has been canceled.
  
  

AT&T

• 1). Press "#21#" from the cell phone's main screen. For residential phones, push "73#" or "*73"
  
  
• 2). Press the "Send," "Talk," or "Receiver" icon on your cell phone.
  
  
• 3). Wait to hear a confirmation message. For residential customers, wait to hear two tones to indicate call forwarding has been canceled.
  
  

Sprint Wireless

• 1). Press "720" from the phone's main screen.
  
  
• 2). Press "Talk."
  
  
• 3). Wait to hear the tones that confirm call forwarding is cancelled.