Company Overview

Company Overview

Services at a Glance

Jobs at Arbinet




Company Facts



Arbinet was founded in 1996, and incorporated in Delaware in November 1996 as SmartGroup Holdings, Inc. In July 2002, we changed our name to Arbinet-thexchange Inc. In June 2009, we annouced our name change to Arbinet Corporation.


138 Employees

Corporate Headquarters

460 Herndon Parkway
Suite 150
Herndon, VA 20170
Phone: + 1 703 456 4100
Fax: + 1 703 456 4123


  • Best in Show for Best Service Provider at ITEXPO East 2011
  • Intelecard News Ten to watch in 2007
  • NJTC Communications Company of the Year
  • InformationWeek’s E-Business 100 Award
  • Forbes B-2-B Best of the Web
  • Deloitte & Touche Shooting Star


Number of Members
  • 1,100+ Voice Members
  • 200+ IP Members

Arbinet’s membership base includes approximately 75% of the world’s 40 largest international carriers and 8 of the world’s prepaid service providers. Members own 70+ mobile networks and 75+ broadband networks.

Types of Members
  • Wholesale Carriers
  • Retail Service Providers
  • Prepaid Service Providers
  • VoIP Service Providers
  • Mobile Service Providers
  • Internet Service Providers
  • Content Providers

Transaction Volume
More than 13.2 billion minutes traded routed and settled in 2008

thexchange Operations

Switching Equipment: Tekelec

VoIP Gateway: Cisco, NexTone

Inter-Machine Trunks; Redundant and diverse between Los Angeles, New York, London, Frankfurt, Hong Kong and Miami

Financial Information

Initial Public Offering
Arbinet filed for Initial Public Offering (IPO) in July 2004, and became a publicly  traded company in December 2004.

Fiscal Year
Arbinet’s fiscal year ends on December 31.

Arbinet is listed on NASDAQ as ARBX.

CUSIP Number03875P 10 0

Transfer Agent and Registrar
Registrar and Transfer Company
10 Commerce Drive
Cranford, New Jersey 07016
1 908 325 9600


Arbinet Stock Symbol:



Arbinet’s Global Number Portability Correction

“At Belgacom ICS, the Arbinet number portability correction service has helped to reduce our costs and increase messaging quality of service. Their willingness to address our growing needs, and add additional countries, as we require them for our business, makes Arbinet an ideal solution for this service.”Patrick George, VP Marketing & Product Management, Belgacom International Carrier Services


Improve Customer Satisfaction with International Retail Traffic

– Complete more calls
– Improve service consistency
– Keep consumers satisfied

 Learn more here

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