XHZN-FM 104.5/XEZN-AM 780 is a radio station in Celaya, Guanajuato, Mexico. It is owned by Promomedios and carries a Spanish oldies format known as LG La Grande.
History Impulsora de Radiodifusión, S.A., received a concession for XEZN-AM on 780 kHz in 1974. The FM station was added in 1994, originally broadcasting on 99.3 but later moved.
The concessionaire was Radio XHOZ-FM since 1996 until 2016, when it changed its name to FM Celaya. Impulsora de Radiodifusión owned XHOZ-FM in Querétaro until 2006.
In June 2026, Exa FM moved to XHEOF-FM and XHZN adopted the brand used by XHELG-FM of León.
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