Greensboro, N.C. (WLTX) -- This list was provided by the Internal Revenue Service regional office in Greensboro.
It includes all South Carolina residents who haven't received either their economic stimulus checks or tax refund checks.
In most cases, the IRS was unable to locate the recipient because of a change of address.
The average amount of an undeliverable economic stimulus check is $583.
The regular refund checks average $988.