With the 2012 USPS rate increase, all Stamps.com postage printed on or after January 22, 2012 will reflect the new rates. No action is required of customers. Stamps.com mailing and shipping solutions are designed to reflect up-to-date USPS pricing and will transition to the new rates in real time, enabling customers to print postage without any service disruptions.  

Stamps.com Software Customers

• Stamps.com Software will automatically