Conversion of all legacy RBTT / RBC Customers to the ACB Caribbean Group Banking System

ACB Caribbean and ACB Grenada Bank Ltd are happy to welcome our newly acquired customers in Antigua & Barbuda and Grenada onto our core banking system as at December 6th, 2021. The conversion process will commence on December 3rd 2021, with a scheduled completion by midnight on December 5th 2021. Legacy RBC / RBTT customers will experience intermittent service interruptions during this short period.

ACB Caribbean Group (all locations in Antigua & Barbuda and in Grenada) will be closed for customer facing services on Monday December 6th 2021 to facilitate the final stages of the conversion of all legacy RBC / RBTT Customers onto its core banking system.

The ACB Caribbean Group welcomes you on board, and proudly anticipates the ability to serve you the full ACB Caribbean / ACB Grenada Bank experience!

Please see a list of services below, and how they will change for you once the conversion is complete.

Thank you for your patience during the transition and conversion.
Antigua & Barbuda Clients:
Antigua & Barbuda Retail:
Antigua & Barbuda Business:  
Telephone number: 1 268-480-1150

Grenada Clients:
Telephone number: 1 473 444 4919

Payroll processing

Antigua & Barbuda Clients: The layout of the files for processing will change and will be communicated separately to the clients who submit payrolls for processing.

Grenada Clients: The layout of the files for processing will not change at this time.

Electronic Funds Transfer

Antigua & Barbuda Clients: The routing numbers for this process will change from 097250038 & 016000036 to 001320695

Grenada Clients: The routing numbers for this process will not change at this time.


Please ensure to download all statements from your online account if required, to avoid any potential delays during our conversion period.

Chequing Accounts

Antigua & Barbuda Clients:  A new transit and routing number will now be applicable. This new routing number is 00132069. 

Clients who traditionally print their cheques are asked to confirm the format to us prior to proceeding to print. In addition, a starter cheque book will be provided to each Retail and Business client at no cost.  

Grenada Clients: No change to the look and feel of your cheques.

Over the counter transactions

Use of Slips to be introduced at all of our locations. Your Customer Service Representative will be happy to guide you.


ACB Caribbean / ACB Grenada Bank branded ATM Screens – Friendly look and feel International Branded Cards can now be used across our ATM Network

Wire Transfers

No Change.

Wire Transfers will be available on the ACB Smart App.

Mobile & Online Banking – Retail & Business

Your login information for your online and mobile banking access will change. You will be provided with your new credentials for online Banking portal and to download and access the ACB Smart App.


Mon - Fri (8am - 4pm)

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