starts Sunday delivery with US Postal Service

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

Unsanitized: Political Tide Begins to Turn in Postal Service Crisis - The American Prospect

Priority Mail Express Shipping

How the new USPS network discriminates against some users of the mail - Save the Post Office

USPS Will Start Taking Photos of Your Mail With Informed Delivery

Postal Employees Voice Major Concerns as USPS Begins Implementing Its Delivery Consolidation Plan - Government Executive

Special delivery

Baltimore County's post office problems include shoeboxes full of backlogged mail, perishables eaten by rodents, congressman says – Baltimore Sun

Does the US Postal Service transport mail on Sundays? - Quora

Slower mail delivery starting at USPS, temporary price changes start soon

Postal service now delivering packages on Sundays

Postal partnerships

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

Post Office-Ada

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