usps schedule a delivery
Post Office Outgoing Mail to USPS. All mail requiring postage received by 3:00 p.m. is posted on the same day. The USPS is scheduled to pick up outgoing mail from Postal Services at 12:30 p.m.and 4:00 p.m. Monday through Friday. Mail received by Postal Services is metered as First Class or Air Mail unless specified otherwise.