Phone Numbers and Support Guide
Posted: Mon Jun 16, 2025 6:15 am
First Data, now part of Fiserv, is one of the world’s largest providers of payment technology and merchant services. Whether you run a small retail store or manage an e-commerce business, First Data Merchant Services may be behind the transactions your customers make. When issues arise — like transaction disputes, terminal malfunctions, or billing inquiries — having the right First Data customer service phone number on hand is essential. In this article, we’ll provide a detailed overview of how to reach First Data, what numbers to call for specific needs, and alternatives if phone support isn’t working for you.
1. What Is First Data Merchant Services and Who Uses It?
First Data Merchant Services provides credit viber database card processing, point-of-sale (POS) solutions, e-commerce payment gateways, and secure transaction management. Now rebranded under Fiserv, the company serves over six million merchants worldwide. If your business processes payments through Clover POS, online terminals, or even via partnerships with banks like Wells Fargo or Bank of America, there’s a good chance First Data is the backend provider.
Knowing how to contact First Data for technical support, disputes, or contract questions is vital to maintaining smooth operations — especially when every minute of downtime could mean lost revenue.
2. First Data Merchant Services Phone Numbers: A Complete List
First Data (Fiserv) offers several dedicated phone lines depending on your product, region, and service type. Here are some of the most commonly used customer support numbers:
General Merchant Services Support:
1-800-877-8021
Available 24/7 for U.S.-based merchant service account inquiries.
Clover POS Support (Powered by First Data):
1-855-853-8340
For help with Clover terminals, app setup, connectivity issues, and more.
Dispute and Chargeback Support:
1-800-644-9068
Use this number for handling chargebacks, disputes, and retrieval requests.
Technical Support for Equipment:
1-800-228-0210
This line assists merchants using First Data terminals or PIN pads experiencing connectivity or setup issues.
First Data International Support:
For international merchants, contact numbers may vary by country. You can visit the First Data Global Contact Page for region-specific phone lines.
Always verify you have your merchant ID, business name, and terminal ID ready before calling to avoid delays.
3. When Should You Call First Data Support?
It’s important to understand which situations actually require a phone call to First Data rather than trying to solve them online or through your acquiring bank. Common scenarios include:
Billing or fee discrepancies – If you notice unexpected deductions or statement errors.
Terminal not working – Troubleshooting card reader or software malfunctions.
Chargebacks – Getting details, documentation deadlines, or disputing a charge.
Integration help – Linking First Data’s APIs or payment gateways with third-party systems.
Account closure – Handling cancellations or changes to merchant agreements.
Calling is often faster than waiting for email responses, especially if your business is facing downtime or delayed funds.
1. What Is First Data Merchant Services and Who Uses It?
First Data Merchant Services provides credit viber database card processing, point-of-sale (POS) solutions, e-commerce payment gateways, and secure transaction management. Now rebranded under Fiserv, the company serves over six million merchants worldwide. If your business processes payments through Clover POS, online terminals, or even via partnerships with banks like Wells Fargo or Bank of America, there’s a good chance First Data is the backend provider.
Knowing how to contact First Data for technical support, disputes, or contract questions is vital to maintaining smooth operations — especially when every minute of downtime could mean lost revenue.
2. First Data Merchant Services Phone Numbers: A Complete List
First Data (Fiserv) offers several dedicated phone lines depending on your product, region, and service type. Here are some of the most commonly used customer support numbers:
General Merchant Services Support:
1-800-877-8021Available 24/7 for U.S.-based merchant service account inquiries.
Clover POS Support (Powered by First Data):
1-855-853-8340For help with Clover terminals, app setup, connectivity issues, and more.
Dispute and Chargeback Support:
1-800-644-9068Use this number for handling chargebacks, disputes, and retrieval requests.
Technical Support for Equipment:
1-800-228-0210This line assists merchants using First Data terminals or PIN pads experiencing connectivity or setup issues.
First Data International Support:
For international merchants, contact numbers may vary by country. You can visit the First Data Global Contact Page for region-specific phone lines.
Always verify you have your merchant ID, business name, and terminal ID ready before calling to avoid delays.
3. When Should You Call First Data Support?
It’s important to understand which situations actually require a phone call to First Data rather than trying to solve them online or through your acquiring bank. Common scenarios include:
Billing or fee discrepancies – If you notice unexpected deductions or statement errors.
Terminal not working – Troubleshooting card reader or software malfunctions.
Chargebacks – Getting details, documentation deadlines, or disputing a charge.
Integration help – Linking First Data’s APIs or payment gateways with third-party systems.
Account closure – Handling cancellations or changes to merchant agreements.
Calling is often faster than waiting for email responses, especially if your business is facing downtime or delayed funds.