AOCN Stands for Administrative Operating Company Number. 

It is not the same as Company Code or OCN.

Sign up for NECA's AOCN services by:

Step 1: Completing the Call Routing & Rating Service Contract

Step 2: Returning the signed form to the contact information printed on the document.

NOTE: 

In addition to providing core AOCN services, you can authorize NECA to submit on your behalf:

- Part 1 forms (Central Office Code Assignment Request) & 

- Part 4 forms (Confirmation of Code in Service) - mandatory for all Central Office codes

by completing, signing and returning the NANP Administration System (NAS) Authorization form.