2012: Contact card not found
No active contact card was found for this phone number.
No active contact card was found for this phone number. This is an HTTP 404 error indicating there is no contact card associated with the phone number you specified.
Troubleshooting
Section titled “Troubleshooting”- Verify the phone number is in E.164 format and matches a line assigned to your account.
- Create a contact card for this number before trying to retrieve or update it — see Contact Cards.