By Bill Bouton from San Luis Obispo, CA, USA [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
North America. The western half of the USA from the Canadian border south into northern Mexixo.
Peregrine Falcon internationally is designated: Least Concern
Prairie Falcon appears on Category E as Falco mexicanus but it is now regarded as a race of Peregrine Falcon. I am unable to trace any record of (what was presumably a falconer's escape) Prairie Falcon in the wild.
NBN atlas has 0 records as at end 2024. Map Here.