KPLY is a Sports radio station that went on the air as KOH, it was the last "new station" in the United States to receive a three-letter callsign until 1994.
KPLY (630 AM) is a radio station broadcasting a Sports radio format. The station went on the air as KOH on 1928-09-13, and is the oldest radio station in Nevada. It was the last "new station" in the United States to receive a three-letter callsign. KOH retained this call until 1994-03-10 (1994-03-18, by FCC records). In 1994, as part of a complex realignment of stations in the Reno area, the KOH intellectual unit moved to 780 AM under the calls KKOH, while 630 AM changed its calls to KRCV. 
