PRESCOTT, Ariz. – Thirty-four states and the District of Columbia require people to wear face coverings in public to curb the spread of COVID-19. Arizona is one of only 15 states without a mask mandate.PRESCOTT, Ariz. – Thirty-four states and the District of Columbia require people to wear face coverings in public to curb the spread of COVID-19. Arizona is one of only 15 states without a mask mandate.