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After the founding of the rural postal service (1909), the rural postmen were initially equipped with diamond undated obliterators with the number of the service. These were later replaced with dated postmarks with the number of the service and a small postal horn at the bottom. [12] The original coded obliterations were used until at least 1939.
Examples of bulk mail that have information lines include First-Class Mail, periodicals, USPS Marketing Mail, and bound printed matter. [2] Possible optional information lines include the optional endorsement line (OEL), an address change service (ACS) participant code, carrier route information, and a mailer's keyline. [1]
An Intelligent Mail barcode has also been referred to as a One Code Solution and a 4-State Customer Barcode, abbreviated 4CB, 4-CB or USPS4CB. The complete specification can be found in USPS Document USPS-B-3200. [2] It effectively incorporates the routing ZIP Code and tracking information included in previously used postal barcode standards.
POSTNET (Postal Numeric Encoding Technique) is a barcode symbology used by the United States Postal Service to assist in directing mail. The ZIP Code or ZIP+4 code is encoded in half- and full-height bars. [1] Most often, the delivery point is added, usually being the last two digits of the address or PO box number.
In 1977, the Postal Service introduced Express Mail; the two services operated concurrently for the next 20 years. [7] On June 7, 1997, the United States Postal Service terminated Special Delivery mail service [8] which left many unused Special Delivery stamps in circulation that were no longer valid for such postage. The remaining stamps were ...
The full eagle logo, used in various versions from 1970 to 1993. The United States Postal Service (USPS), also known as the Post Office, U.S. Mail, or simply the Postal Service, is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, its insular areas and associated states.
The Facing Identification Mark, or FIM, is a bar code designed by the United States Postal Service to assist in the automated processing of mail. The FIM is a set of vertical bars printed on the envelope or postcard near the upper edge, just to the left of the postage area (the area where the postage stamp or its equivalent is placed). The FIM ...
A multiline optical-character reader, or MLOCR, is a type of mail sorting machine that uses optical character recognition (OCR) technology to determine how to route mail through the postal system. MLOCRs work by capturing images of the front of letter-sized mailpieces, and extracting the entire address from each piece.