For New/Prospective Clients

Call our Sales Department at 800-223-9146 ext. 2926 or email us at


Specialized Billing 

Existing Recourse Clients

Call Specialized Billing at 888-332-9142 or email us at

Customer Service 

For Customers Receiving IBS Statements

Call Customer Service at 800-332-9140 or email us at


Client Assistance 

Existing Non-Recourse Clients

Call Client Assistance at 800-223-9146 or email us at


Requesting a Credit Reference

IBS credit reference data is reported to Dun & Bradstreet. Please contact Dun & Bradstreet for a reference.


Request A Call.

Our team of professionals are here to help.

Let us show you how Interstate Billing Service can help you leverage your Accounts Receivable to transform your business.

  • Industry leader with over 35 years of experience
  • We take the headaches out of A/R
  • Daily funding accelerates your cash flow
  • Stop being the bank to your customers
  • Eliminate your bad risk.


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