Call from 1-316-448-6665 claiming ERC called this a call from a collector, and wants called back at

1-800-882-9881 with reference a number.

http://anycaller.com/Phone-Lookup/1-800-882-9881

http://800notes.com/Phone.aspx/1-800-882-9881

http://vocaroo.com/i/s1wRmfwXkZCG voice of caller

No reason for debt collectors to be calling, either mistake or scam.

Which is another reason to send them a certified, return receipt cease and desist calling letter, as well as filing complaints with the proper agencies.

Read up on your rights here and also make a complaint at this government site:  http://www.consumerfinance.gov/

Also file a complaint with your State Attorney General's office.
List of State AG’s offices:   http://800notes.com/faq/attorney-general