North Texas, Louisiana Tech, Florida International, UT-San Antonio will join Conference USA, according to an ESPN.com report.
Old Dominion and Charlotte also could be added to the new CUSA membership, the report said, citing a source.
North Texas has played in the Sun Belt since 2001. The football team went 5-7 under coach Dan McCarney in 2011. The Eagles has won four football conference titles and two men's basketball titles during its time in the Sun Belt.
Since last season, UNT has hired former Marquette associate head coach Tony Benford to coach the men's basketball team and Mike Peterson to coach the women's program.
UNT has scheduled a Friday news conference to address the future of the athletic program.
Conference USA is losing Houston, SMU, Memphis and Central Florida. The remaining schools are Texas-El Paso, Tulane, Alabama-Birmingham, East Carolina, Marshall, Rice, Southern Miss and Tulsa.