BMSXMXMMXXX includes four parts: BMSX indicates Banco Santander Mexico as the bank, MX is for Mexico, MM represents Mexico City, and XXX denotes the head office.
Bank Name | Banco Santander (Mexico) |
|---|---|
| SWIFT/BIC code | BMSXMXMMXXX |
| Bank address | Av Prolongación Paseo de la Reforma 500, Colonia Lomas de Santa Fe, Alcaldía Álvaro Obregón, C.P. 01219 |
| City | Mexico City |
| Country | Mexico |
A SWIFT/BIC code tells the receiving bank that an incoming payment belongs to it, so Banco Santander Mexico can take in funds from abroad and post them to the right account. Without that identifier on the transfer, the receiving side has no clear way to claim the money.
Recipients can find their SWIFT code for Banco Santander Mexico on a recent statement or through their online banking.
Ask for their Banco Santander account number and the SWIFT code. They can find both on a recent statement or in their Banco Santander online banking.
Different branches may use their own Banco Santander Mexico SWIFT code. When a branch code isn’t available, the head office code BMSXMXMMXXX works for most transfers.
Name the recipient’s bank, and Western Union automatically finds the correct SWIFT code. From there, supply their bank account transfer details and fund the transfer to complete it.
SWIFT codes are 8 to 11 characters long, with each section meaning something different:
BMSX represents Banco Santander Mexico.
MX stands for Mexico.
This indicates the bank’s city or regional office, MM in this case for Mexico City.
This points to a specific branch. When it’s blank or XXX, the code refers to the bank’s head office.
If you don’t have a branch-specific code, the primary Banco Santander SWIFT code for Mexico is BMSXMXMMXXX.
Yes. International transfers to a Banco Santander Mexico account cannot move forward without a SWIFT code. BMSXMXMMXXX is the primary code.
Start by asking your recipient. Banco Santander Mexico customers can pull their branch SWIFT code from a recent statement or through online banking. Western Union’s bank codes guide is another helpful reference.
Most banks in Mexico that handle international transfers hold a SWIFT code. The few outside the SWIFT network rely on a correspondent bank and use that bank’s code instead. For more on how bank codes work, see our guide on SWIFT codes vs. IBANs.
Larger banks frequently issue separate SWIFT codes for individual branches. When a branch code isn’t available for Banco Santander Mexico, BMSXMXMMXXX serves as a default.
This content is for informational purposes only. Western Union does not require you add bank codes when performing an international money transfer.


