Welcome to the Signature Card Services
 
Welcome to merchantinfo.com, the Signature Card Services Merchant Resource Center!
Contact Information 
 

Note that we may have more personalized contact information for you once you login to the site.

   
Signature Card Services' Help Desk 800-631-3072
Our Help Desk is available to you M-F, 7:30am to 6:00 pm, Pacific Time
   
Assistance via E-Mail support@signaturecard.com
   
For assistance with your credit card terminal before or after our Help Desk hours, contact:
   
If your merchant number begins with a '4' 800-228-0210
If your merchant number begins with an '8' 800-622-2315
   
If you need a Voice Authorization, contact:  
If your merchant number begins with a '4' 800-228-1122
If your merchant number begins with an '8' 800-944-1111
   
   
To Order Supplies for your Terminal 866-317-7447
   
© 2011, Signature Card Services.  Signature is an ISO/MSP representing Westamerica Bank, San Jose CA, Merrick Bank, South Jordan UT and HSBC Bank USA N.A., Buffalo, NY