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.

Recent News

December 8, 2021
Developing strong vendor relationships is crucial to the health of your business and can have a big impact on its success. Vendors benefit businesses in many ways by providing knowledge and...
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December 1, 2021
At Interstate Billing Service, we take the security of clients and customers seriously. Fraud prevention is an industry-wide concern impacting businesses worldwide. There are many areas of...
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November 16, 2021
Fraud is all too common, and it should come as no surprise that small businesses are at risk. It’s also not surprising that the biggest area of fraud in small businesses occurs in accounts receivable...
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