Postal Abbreviations and Acronyms
- FFTFlats Forwarding Terminal
- FFVFlexible Fuel Vehicle
- FHPFirst Handling Pieces
- FICSFlats ID Cost Sort
- FIMFacing Identification Mark
- FIPSFederal Information Processing Standard
- FIRESFlat Interim Remote Encoding System
- FIRESFlat Interim Remote Encoding System (US Postal Service)
- FLTSFlats
- FMBCRFlat Mail Bar Code Reader
- FMLAFamily and Medical Leave Act
- FMOField Maintenance Office
- FMOCRFlat Mail Optical Character Reader
- FMPCSFixed Mechanization Process Control System
- FOEForwarding Order Expired
- FONFunctional Operation Number
- FPOFleet Post Office
- FPOField Post Office
- FPOFieldrpost Offices
- FPRFunded Procurement Request
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