An exit in Reforma y Ferrocarriles Nacionales (Barrio de San Juan Bautista) answers a narrower question than a Mexico exit. Most sites decide what to show you at the country level, and for them any Mexico address is the whole answer, whether it sits here or in Mexico City.
The city earns its keep when the check itself is local: what is in stock near Reforma y Ferrocarriles Nacionales (Barrio de San Juan Bautista), what delivery gets promised, what the local results page actually shows. That is the work worth pinning to a city, and the only work that should accept city-level supply as a constraint.
City-level residential supply moves week to week everywhere, ours included. If nothing is live in Reforma y Ferrocarriles Nacionales (Barrio de San Juan Bautista) the moment you ask, the reliable fallback is a Mexico exit, and the free Mexico list shows the public pool measured live.