Sonora - Post Report Question and Answers
Are credit cards widely accepted and safe to use locally? Are ATMs common and do you recommend using them? Are they safe to use?
Yes. Get U.S. currency on USA side and use ATMs in secure locations on Nogales side. - Jul 2020
More upscale restaurants will take credit cards. We've never tried to use our credit cards at the grocery stores. There are plenty of ATMs around and almost everywhere will take both pesos and dollars. - Aug 2011