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Vantiv - Merchant service numbers
Vantiv Contact Center
866-622-2390 (Main Customer Service)
eCommerce Merchant Support
Merchant Activation Team (MAT)
Vantiv Integrated Payments
Former Mercury Payment Systems Merchants:
800-846-4472 (Sales & Service)
Former Element Merchants
Former Moneris USA customers
with a 12-digit ID number beginning with 295:
EU Interchange Regulations
EU Regulation has recently come into force that will impact all acquiring businesses in the EU, including Worldpay.