Number of treatment centers per 1000 individuals with OUD is a reasonable large-scale metric to evaluate access to opioid treatment in each state and showed southern states having the fewest treatment centers per 1000 individuals with OUD, and the central/midwestern states the most. There is a clear association between the number of treatment facilities a state has and the number of patients on MAT in that state. A tentative negative association between treatment centers per 1000 individuals with OUD and percentage of black patients was observed, but no other correlations with examined demographic data was identified. Treatment facilities are under-implemented in many states and provide an avenue for improvement of OUD treatment across the country.