Banco de México (Banxico) is the central bank, headquartered in Mexico City with regional offices. It does not operate retail branches.
Commercial banks (e.g., BBVA México, Banorte, Santander, Citibanamex, HSBC, Scotiabank, Banco Azteca, BanBajío) maintain extensive branch networks nationwide, covering urban, suburban, and many rural areas. Branch density correlates with population and economic activity.
Digital banking and corresponsales bancarios (banking agents in convenience stores, pharmacies) have expanded access beyond physical branches.