ocn definition
OCN (Operating Company Number) is a 4 character ID for North American phone companies. OCN numbers are assigned by NECA and used to identify companies in other telecommunications resources such as the LERG. Examples of OCN Numbers: 0001 = Pac West Telecom.
OCN (Operating Company Number) is a 4 character ID for North American phone companies. OCN numbers are assigned by NECA and used to identify companies in other telecommunications resources such as the LERG. NECA sells the list of OCN numbers, but the other sources make similar information available free.