KJMJ (580 AM) is a Catholic radio station broadcasting from Alexandria, Louisiana, United States.

[3] KALB's frequency was changed to 1240 kHz in March 1941, as a result of the North American Regional Broadcasting Agreement.

[3][4] In 1948, its FM sister KALB-FM 96.9 MHz (now KZMZ) began broadcasting, and simulcast the programming of KALB 580.

[8][9] Over the years, KALB aired a variety of country music and contemporary hits programs.

[26] In late 1999, the station was sold Radio Maria Inc., along with AM 1250 KALO in Port Arthur, Texas, for $900,000.

served as its first national program director, Mass celebrant, teacher and on-air personality from its 2000 inception until his death on January 18, 2011.