TruOps Telecom Routing Administration (TRA)

The industry recognized source for routing and rating data

Related Sites

The following websites are highly correlated with the aspects of telephony that are supported by Telecom Routing Administration (TRA). These sites provide additional documentation and support the processes that are in effect, or are being developed, to address the intricacies of working within today's telephony environment, and in planning for tomorrow. The links provided below are generally to a home page to avoid needing to maintain site changes that might occur at a specific sub-page.

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The North American Numbering Plan (NANP)

The North American Numbering Plan (NANP) is an integrated telephone numbering plan serving 20 North American countries that share its resources. These countries include the United States and its territories, Canada, Bermuda, Anguilla, Antigua & Barbuda, the Bahamas, Barbados, the British Virgin Islands, the Cayman Islands, Dominica, the Dominican Republic, Grenada, Jamaica, Montserrat, Sint Maarten, St. Kitts and Nevis, St. Lucia, St. Vincent and the Grenadines, Trinidad and Tobago, and Turks & Caicos.

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National Pooling

Pool Administration (assignment of blocks within an NXX):
Information, supporting documentation, forms and procedures as pertain to the "pooling" of NXXs within the United States is provided is maintained by the National (U.S.) Number Pool Administrator.

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iconectiv is the company in which the Telecom Routing Administration (TRA) resides and from which TRA products described throughout this web site, such as the LERG, are provided. Beyond TRA and TRA products, iconectiv provides authoritative numbering intelligence to the global communications industry. Our market-leading solutions enable the interconnection of networks, devices and applications for more than two billion people every day who count on a simple, seamless and secure way to access and exchange information. With 30+ years of experience and more than 5K customers worldwide, iconectiv has intimate knowledge of the intricacies and complexities in creating, operating and securing the communications infrastructure for service providers, regulators and enterprises. Our solutions span network and operations management, numbering, registries and fraud prevention. For more information, visit

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TruOps Common Language®

Common Language Information Services provides data information solutions that enable communications providers and manufacturers to overcome complex network management, asset management and service activation challenges. Our dynamic suite of products, including CLLI™ Codes, CLFI™ Codes, CLCI™ Codes, NC/NCI™ Codes, CLEI™ Codes, USOC™ Codes and FID™ Codes, are essential for identifying and defining critical network elements across any network. Within our registries, we actively manage over 10 million locations and 400,000 network equipment items. By taking a leading role in standards organizations including ETSI, ITU, TMF, ATIS and OBF, we have a direct impact on the advancement and evolution of data standards. With the rapid changes in the communications market, Common Language plays an instrumental role in helping our customers navigate through emerging opportunities involving M2M, edge device convergence, cloud computing, Smart Grid, bandwidth demands, and government reforms.

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Alliance for Telecommunications Industry Solutions (ATIS)

As a leading technology and solutions development organization, the Alliance for Telecommunications Industry Solutions (ATIS) brings together the top global ICT companies to advance the industry’s business priorities. ATIS’ 150 member companies are currently working to address 5G, robocall mitigation, Smart Cities, artificial intelligence-enabled networks, distributed ledger/blockchain technology, cybersecurity, IoT, emergency services, quality of service, billing support, operations, and much more. These priorities follow a fast-track development lifecycle – from design and innovation through standards, specifications, requirements, business use cases, software toolkits, open source solutions, and interoperability testing.

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National Exchange Carrier Association

The National Exchange Carrier Association (NECA) plays an essential role in helping members deliver vital telecommunications services to rural consumers at reasonable prices. We are also a proven source of reliable industry data analysis.

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iconectiv SS7 point codes

iconectiv is the designated agent for the administration and assignment of SS7 point codes within the United States as well as all other countries within the North American Numbering Plan in accordance with ANSI T1.111. Point codes are required for all signaling points using the SS7 (Signaling System 7, also known as Common Channel Signaling) network. Point codes identify network nodes in order that the SS7 network can route calls properly.

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International Mobile Subscriber Identity (IMSI)

iconectiv, as IMSI administrator, participates in the management of all segments of the IMSI, but directly administers only the Home Network Identity (HNI) segment. HNIs are assignable to operators of public mobility services with international roaming capabilities. The HNI uniquely identifies the home network of a public mobility service subscriber and contains the Mobile Country Code (MCC) and the Mobile Network Code (MNC). The remaining segment of the IMSI, the Mobile Station Identification Number (MSIN), is directly administered by the network operator to which the HNI is assigned.

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The North American Numbering Council (NANC)

The North American Numbering Council (NANC) is a Federal Advisory Committee that was created to advise the Commission on numbering issues and to make recommendations that foster efficient and impartial number administration.

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The National Association of Regulatory Utility Commissioners (NARUC)

The National Association of Regulatory Utility Commissioners (NARUC) is a non-profit organization founded in 1889 whose members include the governmental agencies that are engaged in the regulation of utilities and carriers in the fifty States, the District of Columbia, Puerto Rico and the Virgin Islands. NARUC's member agencies regulate telecommunications, energy, and water utilities. NARUC represents the interests of State public utility commissions before the three branches of the Federal government.

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USTelecom represents companies of all sizes committed to investing in a network infrastructure that encourages and supports broadband connectivity

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The Cellular Telecommunications Industry Association (CTIA®)

The Cellular Telecommunications Industry Association (CTIA®) represents the U.S. wireless communications industry and the companies throughout the mobile ecosystem that enable Americans to lead a 21st century connected life. The association’s members include wireless carriers, device manufacturers, suppliers as well as apps and content companies. CTIA vigorously advocates at all levels of government for policies that foster continued wireless innovation and investment. The association also coordinates the industry’s voluntary best practices, hosts educational events that promote the wireless industry and co-produces the industry’s leading wireless tradeshow. CTIA was founded in 1984 and is based in Washington, D.C.

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Canadian Radio-television and Telecommunications Commission (CRTC)

Canadian Radio-television and Telecommunications Commission (CRTC) ensures that Canadians have access to a world-class communication system that promotes innovation and enriches their lives. Their role is to implement the laws and regulations set by Parliamentarians who create legislation and departments that set policies. CRTC regulates and supervises broadcasting and telecommunications in the public interest.

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The International Telecommunications Union (ITU)

The International Telecommunications Union (ITU), facilitates international connectivity in communications networks. They allocate global radio spectrum and satellite orbits, develop the technical standards that ensure networks and technologies seamlessly interconnect, and strive to improve access to ICTs to underserved communities worldwide. Every time you make a phone call via the mobile, access the Internet or send an email, you are benefiting from the work of ITU.