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ISC |
Information Service Center |
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ISSC |
information systems service center |
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ISSN |
International Standard Serial Number |
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ISSP |
Incoming Secondary Sorting Program |
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IT |
Information Technology |
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ITK |
Infrastructure Tool Kit |
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LA |
LA lock |
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LBBY |
Lobby |
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LC |
Lettres et cartes letters and cards |
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LCW |
Letter Carrier Walk |
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LDC |
Labor Distribution Code |
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LF |
lead facilitator |
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LID |
Luminescent Indicia Detector |
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LLV |
Long-Life Vehicle |
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LOT |
Line-of-Travel |
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LOWR |
Lower |
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LPC |
Label Printing Center |
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LSM |
Letter Sorting Machine |
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LT |
Lot |
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LTATS |
Loan, Transfer, and Training System |
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LUR |
Labor Utilization Report |
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MASS |
Multiline Accuracy Support System |
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MCM |
Multi-Commodity Machine |
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MDC |
Material Distribution Center |
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ME |
Mail Exchange |
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