OCN

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AcronymDefinition
OCNOverclock.net (gaming)
OCNOptical Carrier Level N
OCNOperational Carrier Number
OCNOpen Communications Networks Inc.
OCNOperations Control Number
OCNOffice Control Number
OCNOwning Company Number (LEC calling cards)
OCNOriginal Call Number
OCNOperational Company Number
OCNOceanography
OCNOpen College Network
OCNOriginal Cost New
OCNOffice of Child Nutrition
OCNOptillingscondensatieniveau (Dutch: lifting condensation level)
OCNOrange County News Channel
OCNOf Course Not
OCNOther Carrier Networks (Sprint)
OCNOutpatient Care Network
OCNOncology Certified Nurse
OCNOpen Computer Network
OCNOperating Company Number (NANPA)