authoritative call routing data

the data that drives the industry

Whether it’s call routing, rating or billing having access to the most accurate, timely and comprehensive data offered in the industry is critical. That’s where iconectiv TruOps Telecom Routing Administration (TRA) comes in. As the industry standard for more than 30 years, TRA is the U.S. telecom industry’s go-to source for reliable and accurate information.


TRA provides the data needed to enable completion of Public Switched Telephone Network (PSTN) calls in the North American Numbering Plan (NANP). Since TRA data is directly from the source – the service providers and agencies assigning numbering – data accuracy and timeliness is of the highest quality. Access to this critical information allows you to improve network planning, decrease operational costs and help prevent revenue loss.

Enterprises also seize the opportunities that TRA’s accurate data affords: Geographical Information Systems (GIS) applications, locator services, financial services, customer relationship management, call centers, law enforcement, mapping and other applications.

With its superior flexibility, TRA easily integrates into your operational processes, applications and ecosystem. To learn more visit

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telecommunications data is in high demand

Service providers, database managers and companies within and outside the telecommunications industry need and utilize this data to maximize their business potential.

TRA data helps ensure networks are operating properly and efficiently and that calls are completed without any problems. The extremely high percentage of call completion and billing accuracy that people have come to expect within the areas covered by the North American Numbering Plan (NANP), which includes the U.S., U.S. Territories, Canada, Bermuda and parts of the Caribbean, are supported by the data that TRA provides.

Numerous regulatory bodies, industry guidelines and industry standards cite TRA products as necessary and critical to telecommunications products and services within the North American Numbering Plan Administration (NANPA). TRA works together with these groups to address completeness, accuracy and consistency relative to the data it provides.

The TRA Data Products include:

  • LERG™ Routing Guide
  • Local Calling Area Data Source
  • TPM™ Data Source
  • Telemarketing Data Source
  • NPA-NXX Active Code List (NNACL)
  • NPA-NXX Activity Guide (NNAG)

TRA products have been enhanced over time to encompass telecommunications data needs for a wide array of users, not just service providers, and to include data that extends worldwide. The accurate, timely and comprehensive data within TRA makes it the one-stop shop for call routing, rating, billing and numbering assignments.

Two other resources available are International Mobile Subscriber Identity (IMSI) codes and SS7 Point Codes. 

  • The IMSI is a unique, 15-digit international identifier that is included in a mobile device and allows for roaming on mobile service provider networks. 
  • SS7 point codes identify individual network elements for a Signaling Point used in Message Transfer Part (MTP) to identify the destination of a message signal unit (MSU).