| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | "Number not blocked" after adding it | Entered with a 1 prefix or dashes | Re-enter as raw 10 digits via web portal | | Star code *60 does not work | Phone is not a Comcast-provided handset | Use web portal; the base eMTA may not support star codes | | Blocked caller still reaches voicemail | Comcast routes blocked calls to voicemail by default | Go to Call Settings > Blocked Calls > Set action to "Reject call" (busy signal) instead of "Send to voicemail" | | Can't block international numbers | Network restrictions | Comcast cannot block international numbers via self-service; requires account hold with Customer Security Assurance (CSA) |
You can also block callers directly from your Call History or Voicemail tabs by selecting the number and clicking "Block Caller". Method C: Xfinity Voice App how to block a number on your comcast phone
Managing your block list online allows you to see your current list and add or remove numbers easily. | Problem | Likely Cause | Solution |
Unwanted calls can be a major disruption, ranging from annoying telemarketers to potentially dangerous scammers. If you are a Comcast customer, you have several powerful tools at your disposal to block these numbers on both your (landline) and Xfinity Mobile services. 1. Blocking Numbers on Xfinity Voice (Landline) If you are a Comcast customer, you have