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Landmark Merchant Solutions "Do you accept credit cards?"
http://www.landmarkmerchant.com/home/contact.asp
For Customer Service & Statement Questions
1-866-606-1504, Monday through Friday, 8 am - 6 pm, CST
For Sales
1-800-882-4892, Monday through Friday, 8:30 am - 5:00 pm, CST
Schaumburg Sales Call Back
1-800-882-4896
Chicago Sales Call Back
1-800-266-2518
For Terminal-Related Assistance
1-866-606-1505, 24 hours a day
Fax Us
847-221-0403
Write to our Schaumburg, IL office
Landmark Merchant Solutions
2050 E Algonquin Rd, Suite 610
Schaumburg, IL 60173
Write to our Chicago, IL office
Landmark Merchant Solutions
70 W Madison St, Suite 750
Chicago, IL 60602
File complaint, easy, documented, fines:
Canada https://www.lnnte-dncl.gc.ca/plt-cmp-eng
US https://www.donotcall.gov/complaint/complaintcheck.aspx
Other 800 note posts show call out on phone numbers:
516-730-2354
312-506-3688
508-638-6309