USPS
What Is Presort Mail, and How Does It Reduce Postage Rates?
Postage can be a considerable cost center in transactional print and mail. Reducing the rate is possible with postage optimization, which includes presorting. But what is presort mail, and how does using it deliver a better rate? What Is Presort Mail? Presort mail refers to sorting letters by ZIP code and grouping them prior [...]