Company Codes are assigned to all telecommunications service providers for unique identification. They are used in mechanized systems throughout the industry to facilitate the exchange of information. NECA assigns all company codes, also known as Operating Company Numbers (OCNs).

As maintenance agent for Company Codes, NECA makes a full listing of all company codes available in Excel format. This listing can be ordered on a subscription basis (monthly or quarterly) or on a one-time basis.

Order forms are available by clicking on the related link to the left.