starts Sunday delivery with US Postal Service

Milwaukee Post Office expanding delivery hours, delivering seven days a week during holiday season

These changes to U.S. postal service start in July

U.S. Postal Service finalizes plan to slow some mail deliveries

Judge Orders Postal Service to Ensure Ballot Delivery

USPS holiday shipping deadlines start on Dec. 16

USPS to cut Saturday mail delivery

The cost of mail in the U.S.: Third postage increase in a year starts Sunday - Augusta Free Press

Postal Service to deliver packages seven days a week during holidays

Postal service now delivering packages on Sundays

USPS service slowdown starts Friday. Here's what to expect