What are the different numbers on my NIB / IBAN document for?

Here's a guide to the different numbers on your NIB / IBAN document:

Portuguese English Purpose
Conta N°
Account Number • Used to make a deposit at any Millennium branch
• Used to conduct transfers between Millennium accounts
NIB - Número de Identificação Bancária 
Bank Identification Number • Used to conduct transfers to/from bank accounts inside of Portugal
IBAN - Número Internacional de Conta Bancária 
International Bank Account Number • Used to receive money from a country outside of Portugal
• Provided to anyone making a transfer to your account (along with BIC/SWIFT)
BIC / SWIFT - Código de Identificação do Banco
Bank Identifier Code • Used to identify the bank for wire transfers

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