Miss. Code § 67-3-65
Municipalities may enforce such proper rules and regulations for fixing zones and territories, prescribing hours of opening and of closing, and for such other measures as will promote public health, morals, and safety, as they may by ordinance provide. The board of supervisors of any county may make such rules and regulations as to territory outside of municipalities as are herein provided for municipalities.
Nothing in this chapter shall prohibit the governing body of any municipality from designating what territory surrounding churches and schools in said municipalities, and the board of supervisors of any county from designating what territory surrounding churches and schools outside of any municipality, in which light wines, light spirit products and beer shall not be sold or consumed.
Miss. Code § 67-3-65