starts Sunday delivery with US Postal Service

USPS shipping deadlines approach

OPM Starts the Process of Booting USPS Employees to a New Health Care Program - Government Executive

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

Does USPS Deliver Mail On Saturday & Sunday (Weekend)?

UPS Sunday Delivery (If you haven't heard yet) : r/USPS

USPS to cut Saturday mail delivery

Postal Service changes felt in Kentucky, raise mail-in voting fears

Postal service now delivering packages on Sundays

USPS Shipping Service Changes Start Sunday, July 28 2013 - Stamps.com Blog

When do stamps go up in 2023?

2022 USPS SHIPPING RATE INCREASE - Online Shipping Blog