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Post office utilizes a specific type of barcode set for efficient management and transmission of mail, letters, posts, and other items. Barcode technology in post offices is expected to enhance tracking, sorting, routing, processing times, customer service, and automation, enhancing package tracking, delivery, and customer transparency. Types of Barcodes in Post Office: Post office employs various barcode types for shipping and receiving mail, letters, and couriers. *POSTNET- POSTNET barcode technology by US Postal Service enhances mail delivery by encoding ZIP Codes with full-height guard rails and five bars representing digits, with two out of five bars full height. *PLANET- USPS (United States postal Services) uses planet barcode technology for mail inspection and tracking, with 12-14 digits and a five-bar pattern with guard rail at beginning and end. *IMB (Intelligent Mail Barcode)- IMB is a 65-bar postal barcode designed to manage and track mails, offering a 4-State Customer Barcode and One Code solution, combining ZIP Code and tracking information. *USPS GS1-128or EAN-128 - USPS uses EAN-128 barcode, also known as Code 128 and GS1-128, for delivery confirmation services. *FIM-Facing Identification Mark (FIM) bar code is used for automated mail processing, specifically on pre-printed envelopes and postcards, not the USPS. Importance- Postal barcodes enhance tracking and delivery flexibility, reduce costs, and decrease undeliverable mail, allowing for 24/7 mailing processes and reducing the need for longer verification processes. Futures of barcode technology in Post Offices: *Barcode technology can improve package tracking and visibility in postal service, enabling real-time tracking, enhancing transparency and reliability. *Barcode scanners enhance sorting and routing of packages, reducing risk of lost or misplaced items. *Barcode technology can enhance automation in post offices by reducing manual input and improving efficiency.