Aerophilately (Philatelic) Stamp collecting that focuses on stamps, postage, covers, and other philatelic materials that relate to airmail.
Aerogramme (obsolete) A postage-paid letter-size sheet of lightweight paper that was folded into an airmail envelope for correspondence to other…
AEC II Service An enhancement to Address Element Correction that identifies and corrects nonmatching addresses using the computer program Delivery…
Advertising Portion For price eligibility, the part of an authorized Periodicals publication that contains all material for which a valuable…
Advance Notification and Tracking System An Internet-based application that facilitates the delivery and tracking of qualified Standard Mail pieces and…
Advance Notification A system that transmits information from mail.dat and Postal One! data via Facility Access and Shipment Tracking (FAST)…
Advanced Leadership Program (ALP) A career development program for mid-level, non-executive managers who are identified as potential successors in Corporate…
Advanced Facer Canceler System with Optical Character Reader (AFCS/OCR) A machine with many components that culls, faces, and cancels through…
Advanced Facer Canceler System 200 (AFCS 200) A major upgrade to the Advanced Facer Canceler System with Optical Character Reader…
Advance Deposit Account A liability account into which a mailer deposits funds that are maintained by USPS to pay for…