For Presorted First-Class Mail prices, what is the minimum number of pieces required?

The minimum number of pieces required for Presorted First-Class Mail prices is 500 pieces. This threshold is set to allow for efficiencies in processing and handling by the postal service, which enables them to offer lower rates for bulk mailings. When mailers presort their pieces to meet this volume, it streamlines operations and reduces costs, benefiting both the sender and the postal service.

The requirement of 500 pieces ensures that the postal service can effectively manage larger batches of mail, optimizing delivery routes and processing times. Consequently, businesses seeking to utilize these presorted rates must ensure they meet this minimum piece threshold to qualify for the pricing benefits associated with Presorted First-Class Mail.