Mercantile Processing, Inc.
39160 Garfield Ave
Fenwick, DE 19944

Sales (302) 988-1129
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Contact Information

Our highly trained staff of customer service professionals is available Monday through Friday from 9:00 AM to 5:00 PM EST to assist you with any of your questions and concerns.

Merchant Support Help Desk

Processing Inc. also provides a merchant support help desk for your business. Please locate the 800# listed on your credit card terminal that was placed there after installation.

Our staff continuously provides the highest caliber customer support for all of our sales professionals and merchant clients. We at MPI realize that all questions, whether big or small, are important and urgent to you.


Mercantile Processing Inc.
39160 Garfield Avenue
Fenwick, DE 19944

Sales and Support Desk
302-988-1129 Office
302-988-1015 Fax

Call today (302) 988-1129 For The Lowest Rates & The Best Value & Service!
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