What is ocn listing?
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OCN (Operating Company Number) is a 4 character ID for North American phone companies. OCN is a three letter abbreviation that stands for: OCLC Control Number, a bibliographic record. This is the Carrier Name: MULTIPLE OCN LISTING page list. This is the Dominican Republic Carrier Name:MULTIPLE OCN LISTING Area Code Database page list. Where can I get a full OCN List? The complete up-to-date list of OCN numbers is available for purchase for nominal fee from its official maintainer, NECA. How does OCN determine if a phone is cellular or land line? Published 02/27/ 2013 06:30 AM Updated 09/29/2016 11:03 PM.
