ATIS 0300048 PDF

Name:
ATIS 0300048 PDF

Published Date:
09/18/2009

Status:
Active

Description:

555 NXX Assignment Guidelines

Publisher:
The Alliance for Telecommunications Industry Solutions

Document status:

Active

Format:

Electronic (PDF)

Delivery time:

10 minutes

Delivery time (for Russian version):

200 business days

SKU:

This document specifies guidelines for the assignment of line numbers within the 555 NXX code. The intended use for 555 numbers for which these guidelines apply include the provisioning of information services but may include a broad range of existing and future services as well. These guidelines currently apply only to the assignment of 555 numbers in geographic NPAs.