Welcome to the Group 1 Software / Pitney Bowes Colorado Local Sales and Use Tax Rate Locator. This site allows Colorado businesses to determine local tax jurisdictions and tax rates based on address inputs.  While other sites charge a fee for this service, Group 1 Software is pleased to make this site available for no charge to Colorado businesses. 

CODOR rates are updated on January 1 and July 1 each year.

By registering with the Centrus CO DOR site, you will have access to the Sales Tax Rate Locator.  The registration process consists of a few simple questions. We take privacy issues very seriously. Information collected in the registration process is never shared outside of Pitney Bowes.

For new registrants: Upon completion of the registration process, you will be sent a confirmation email at the provided email address.  Using the link provided in this email will activate your user account.

For any questions concerning this site, please contact us at Co_Tax@g1.com