L&DC: Logistics and Distribution Center
L-mail: Letter Mail
L-O-T: Line Of Travel
LA: Lock Andrus
LA: Louisiana
LACS: Locatable Address Conversion System
LACSLINK: Locatable Address Conversion LINK
LAM: Lock Assembly Machine
LAMM: Late Arrival Managed Mail
LAMPS: Labor And Management Partners
LAN: Local Area Network
LC: Lettres et Cartes
LCD: Liquid-crystal display
LCD: Local Consignment Deport
LCTS: Low Cost Tray Sorter
LD: lethal dose
LDC: Labor Distribution Code
LDO: Letter District Office
LDU: Level Distribution Unit
LF: lead facilitator
LID: Luminescent Indicia Detector
LIS: Letter Information Sample
LIS: Letter Information System
LLV: long-life vehicle
LMI: Logistics Management Institute
LMLM: Letter Mail Labeling Machine
LMRI: Letter Mail Readability Index
LMS: Learning Management System
LOT: line-of-travel
LPC: Label Print Center
LPC: Label Printing Center
LPC: Local Processing Center
LPD: Local Parcel Depot
LPS: Local Property and Supply
LREP: Letter Recognition Enhancement Program
LSM: Letter Sorting Machine
LSSK: Local Site Spares Kit
LTATS: Loan, Transfer and Training System
LTL: less than truck load
LULAC: League of United Latin American Citizens