Mississippi and West Virginia have signed a reciprocity agreement

Mississippi has Reciprocal Agreements with :
Alabama, Alaska, Arizona, Arkansas, Colorado, Florida, Georgia, Indiana, Kentucky, Louisiana, Michigan,Minnesota, Missouri, Montana, New Hampshire, North Carolina, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Washington, West Virginia, & Wyoming.

West Virginia Full Reciprocity list
Arkansas
Arizona
South Dakota
Kentucky
Ohio
Tennessee
Florida
Michigan
Mississippi
Missouri
North Carolina
Oklahoma
Pennsylvania
Utah
Virginia