EXCLUSIVE-Amazon says it has reached deal with US Postal Service on package deliveries

By David Shepardson

WASHINGTON, April 6 (Reuters) - Amazon.com AMZN.O said Monday it has reached a new agreement with the U.S. Postal Service on package deliveries.

Sources told Reuters the deal will result in Amazon, which is USPS's largest single customer, retaining around 80% of its existing deliveries with USPS, or more than 1 billion packages per year.

"We're pleased to have reached a new agreement with USPS that furthers our longstanding partnership and will let us continue supporting our customers and communities together," Amazon said in a statement.