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Telecom Routing Administration

The industry recognized source for routing and rating data

Downloadable Documents

The following documents are provided by Telecom Routing Administration (TRA) in support of industry processes, and in support of data TRA products.  Downloadable files may be .doc files, or else self-extracting zipped files (.exe) that contain one or more .doc files.  To open .exe files once downloaded, double click on them in Windows File Manager or Explorer; or in DOS, enter the filename at the DOS prompt when in the directory the file is in, then hit the Enter Key. "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.

Document Description Last Updated
COCAG Central Office Code Assignment Guidelines.  Includes Appendices and Part 1 (CO Code Request ), Part 2, Part 3 and Part 4 Forms.   Check the ATIS(INC) web site for any recent document changes

Note: A Canadian version of the COCAG, that has some differences from that provided via ATIS, is available from Canadian Numbering Administration (CNA) at www.cnac.ca.

03/17
TBPAG Thousands-Block Pooling Administration Guidelines (TBPAG), appendices, and forms.  Forms include the TBP Request forms.  Check the ATIS(INC) web site for any recent document changes.

Note: Assignment of NXXs, historically made at the NXX (10,000 lines) level, has been transitioned in the U.S. to a process that assigns 1,000 lines at a time from an NXX.  This supports a greater number of lines to be assigned within a given NXX and thus reduces the rate of NPA relief activities (splits, overlays).

03/17
This is available to those that may need it in support of CO Code assignments.  It can be downloaded by AOCNs at the TRAGUI site and, otherwise, can be provided to OCNs by the company providing their AOCN service. The COCAG/TBPAG Part 2 Job Aid is maintained by TRA and provides details on the fields, data, and processes involved with completing the Central Office Code Assignment Guidelines (COCAG) Part 2 Forms and the Thousands Block Pooling Administration Guidelines Part 2A Form.    ---
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.  The TRA databases are tied to the Central Office (CO) Code assignment process and serve as the basis for reporting of supporting rating and routing information. 01/16
AOCN Information

Sample Contract

Pertinent information for any company interested in providing direct data entry to TRA databases. 05/16
RAO Code Guidelines Revenue Accounting Office (RAO) Codes are a component in the Central Office (CO) Code Assignment process.  The RAO Code Guidelines, prepared by the RAO Administrator (iconectiv), includes background information and describes the means of requesting an RAO assignment (includes an RAO request form for "non-hosted" RAOs).  You may email any questions to the RAO Administrator by clicking here.

Note: Administrative Charge for each non-hosted RAO Code is $200.00 (US) for a 10 day turn around time.  An expedite service (with credit card only) is offered for an additional $100.00 (total $300.00 administrative fee for each code).

03/16
CCS Code Application Common Channel Signaling (CCS) Codes correlate to Signaling System 7 (SS7) point codes as described in ANSI T1.111.  The codes are assigned by the CCS Code Administrator (iconectiv).  iconectiv serves as the administrative agent for assignments, per ANSI T1.111).  You must complete and submit an application form to obtain an assignment.  To obtain further information and apply for point codes, click on the link in the column to the left.  You may also email any questions to the CCS Code Administrator by clicking here.  Related ANSI standards documents are available through ANSI. latest available
Previous
LERG Specifications

Changes Overview

The last previous file descriptions and data layouts for the  LERG™ Routing Guide.  The Changes Overview highlights specification changes from the previous specifications. eff 06/01/12
iss 03/01/12
Current
LERG Specifications

Changes Overview

The current file descriptions and data layouts for the LERG™ Routing Guide.  The Changes Overviews highlight specification changes from the previous specifications.

A sample LERG is available from the Catalog details page.

eff 06/01/15
iss 03/01/15
LERG General Information Field definitions and permitted field values for the current version of the LERG™ Routing Guide.  Also contains information on ANI II digits, Vertical Services, and other topics concerning numbering and the data in the LERG. (note: updates to the downloadable file will be posted when necessary, not necessarily monthly or quarterly). relatively
latest
LERG Routing Guide Educational Document A document that summarizes the content and purpose of the various LERG files.  Prepared by the Common Interest Group on Routing and Rating (CIGRR). 08/24/15
Previous
TPM Specifications


Changes Overview

Changes Overview (7/15/05)

Changes Overview (10/15/05) (data values only)

The last previous file descriptions and data layouts for the data versions of the TPM Data Source.  The Changes Overviews highlight specification changes from the previous specifications. eff 01/15/04
iss 07/15/05*

*effdate is basic file structure, updates through the issue date are non- substantive

Current
TPM Specifications

Changes Overview (10/15/06)

Changes Overview (03/15/07) (data values only)

Changes Overview (7/15/09) (Microsoft® Access® 2007 front-end)

The current file descriptions and data layouts for the data versions of the TPM Data Source.  The Changes Overviews highlight specification changes from the previous specifications.

A sample TPM is available from the Catalog details page..

eff 10/15/06
iss 06/15/12*

*effdate is basic file structure, updates through the issue date are non- substantive

TPM Glossary Field definitions and permitted field values for the current version of the TPM Data Source. eff 10/15/06
iss 06/15/12*

*effdate is basic file structure, updates through the issue date are non- substantive

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.  Can be printed or viewed as a pdf document.  Click here for online information. latest