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Telcordia® Routing Administration

The industry recognized source for routing and rating data

Contact Information

The Telcordia® Routing Administration (TRA) Customer Care Center is available to answer and/or direct your questions regarding TRA, its products, and its services. Should you be directed to voicemail at any time, please leave a message, we will return your call as soon as possible, no later than the end of the next business day. TRA CSC hours are 8:00am - 6:00pm (Eastern), M-F (less major holidays - click button above for Telcordia observed holidays).

Telephone:

866-NPA-NXXS (i.e. 866-672-6997), or directly on 732-699-6700

Email:

You may send us email at tra@telcordia.com

Fax:

Order requests, changes, and cancellations, or other material can be faxed to us at 732-336-6999

Direct US mail:

Telcordia Routing Administration (TRA)
One Telcordia Drive
Room 4A738
Piscataway, NJ 08854-41567

Holidays

Telcordia observes the following U.S. "holidays", celebrated as may be nationally observed:

New Year's Day*
Martin Luther King Day
President's Day
Memorial Day
Independence Day*
Labor Day
Thanksgiving Day
Day After Thanksgiving
Christmas Day*

* Should any of these date-specific holidays fall on a Saturday, the Friday preceding that Saturday is the observed holiday. Should any of these date-specific holidays fall on a Sunday, the Monday following that Sunday is the observed holiday.