I think in most areas, the first digit may vary (it's 701-750 here), but the next two should be the same. Some channels are running Christmas themed music in their styles.
x10 is "R&B Soul: Soul Holiday"
x19 is "Soft Rock: Holiday Hits"
x40 is "Romances: Holiday Fiestas"
x41 is "Sounds of the Seasons: Holiday"