The Postal Service will sort mail by shape, not just destination

The US Postal Service is proposing new rules to sort letters, flats, and parcels based on their shape, not just their final destination. This means mail will be grouped differently for processing at local sorting centers.

For decades, the Postal Service sorted mail primarily by where it was going. This change means they will now also consider what it looks like. This could make sorting more efficient, especially for non-standard mail, by optimizing how machines handle different shapes.