Attention Line A separate address line that is the name of a person or a department placed above the recipient…
Attachment (1) A letter or other piece of mail placed in an envelope and affixed to the address side of…
Associate Post Office™ AO A Post Office that reports to a larger Post Office or that is within the service…
Asset Management Integration (AMI) An effort to improve the effective management of the sizable investments in material inventories and physical…
Asset Accountability Service Center (AASC) A unit that provides asset accountability (e.g., material and inventory management), investment recovery assistance, facilitation,…
Aspect Ratio The dimension of a mailpiece expressed as a ratio of length (the direction parallel to the address) divided…
ASF (1) A presort level in which all pieces in the bundle or container are addressed for delivery in the…
Ascender In Intelligent Mail barcode symbology, the bar that covers two of the three possible regions (from bottom to top):…
Arrow Lock Key A distinctively shaped key used by carriers to open mail-receiving receptacles such as street collection boxes and…
Arrow Lock A special type of brass and steel security lock installed in street collection boxes, storage boxes, apartment boxes,…