USPS Acronyms & Abbreviations

Here's a list of abbreviations related to the USPS terminology and jargon:

Acronym

Definition
CMRRRCertified Mail, Return Receipt Required
CMRSComputerized Meter Resetting System
CNChina
COColombia
COAChange Of Address
CODCash On Delivery
CODESComputerized On-site Data Entry System
CORContracting Officer Representative
corcorrespondence
COSCComputer Operations Service Center
CPCarte Postale
CPColis Postaux (Parcel Post)
CPOCommunity Post Office
CPPCentralized Postage Payment System
CRCarrier Route
CRCosta Rica
CRESCrescent
CRFCentral Repair Facility
CRISCarrier Route Information System
CRMCourtesy Reply Mail
CRRRCertified / Return Receipt Requested
CRTCourt
CSICustomer Satisfaction Index
CSWYCauseWay
CSZCity, State, and Zip code

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