I ran a search for just UHF frequencies using Color Code 2.
451.4000 MHz
451.5250 MHz
452.4000 MHz
452.8500 MHz
460.6250 MHz
461.3500 MHz
461.5125 MHz
461.5500 MHz
462.0250 MHz
463.6750 MHz
463.8000 MHz
463.9500 MHz
464.4000 MHz
464.4375 MHz
464.8750 MHz
451.4000 MHz
451.5250 MHz
452.4000 MHz
452.8500 MHz
460.6250 MHz
461.3500 MHz
461.5125 MHz
461.5500 MHz
462.0250 MHz
463.6750 MHz
463.8000 MHz
463.9500 MHz
464.4000 MHz
464.4375 MHz
464.8750 MHz