NAS User Guides

NANPA provides various guides to assist users with the NANP Administration System (NAS). These guides address the NAS user registration process, the submission of resource applications (e.g., CO codes, CICs, 5XX-NXX resources, etc.) and associated functions and the NANP Notification System (NNS).

NAS User Registration Guide

NAS Central Office Code User Guide

NAS Other NANP Resources User Guide

NAS NRUF On-Line User Guide

NAS NNS User Guide

NAS 5XX-NXX User Guide

NAS Mass Modify User Guide

NAS Mass Modify Spreadsheet

Code Transfer Process for Establishing an LRN

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