Addendum...
I also contacted the carrier for the number, Pac-West Telecomm, and informed them of the situation. The woman I spoke with recognized the number as one that had been reported previously. According to her, these people have hacked into various telecommunications companies and are masking their phone numbers by using these non-existent numbers. If you hear from these people, please make note of the following information:
Date and time called
Name of company (if they give it to you)
Name of the person (it will be an alias)
Content of the conversation
The woman at the telecom company recommends you file an immediate report with your local law enforcement as well as sending the information to Pac-West Telecomm. She provided the following email addresses:
[email protected]
[email protected]