The following documents are provided by Telecom Routing Administration (TRA) in support of industry processes and in support of data TRA products. "eff" when used, indicates the effective date of the document; "iss" indicates the issuance date. Issuance date is that of the last update, not necessarily the originally issued document.

AOCN Information

This document includes pertinent information for any company interested in providing direct data entry to TRA databases.

Last Updated: 05/21


Administrative Operating Company Number (AOCN) List identifies those companies that have indicated to TRA that they may be contacted about performing data entry into the TRA databases for other companies.

Last Updated: latest available

LERG General Information

Field definitions and permitted field values for the current version of the LERG™ Routing Guide. Contains information on ANI II digits, Vertical Services, other topics concerning numbering and data in the LERG.

Last Updated: 7/23

Product Specifications

To obtain each of the latest specifications for the current or previous products, contact TRA Customer Care.

Last Updated: latest available

RAO Guidelines

Revenue Accounting Office (RAO) Codes Guidelines, a component in the Central Office (CO) Code Assignment process, include background information and describe the means of requesting an RAO or non-hosted RAO assignment.

Last Updated: 01/18

TBCOCAG Part 2 Job Aid

The Thousands Block and Central Office Code Assignment Guidelines (TBCOCAG) Part 2 Job Aid provides detail on the fields, data and processes involved with completing Part 2 and 2A forms.

Last Updated: 2/20

TPM Glossary

A document that includes the field definitions and permitted field values for the current version of the TPM Data Source.

Last Updated: latest available

TRA Catalog of Products

A complete TRA Catalog of Products - provides more product information than this site, includes text-based examples for most products, pricing and an order form.

Last Updated: latest available

SS7 Point Code Administration

Common Channel Signaling (CCS) Codes correlate to Signaling System 7 (SS7) point codes per ANSI T1.111. Codes are assigned by the CCS Code Administrator (iconectiv). Complete and submit an application form to obtain an assignment.

Last Updated: latest available

TRA Price/Order Request Form

Once the price form is received and processed, an Order Quote, which will include prices, will be provided within two business days.

Last Updated: latest available