Tellabs designs innovative network equipment for telecommunications companies and their customers. We partner with communications service providers around the world, including 80% of the top global telecom service providers.

Tellabs products and services enable you to provide services to business, residential and mobile users.

Headquarter Operations
1415 West Diehl Road
Naperville, IL 60563
United States
Fax: +1.630.798.2000

For additional contact information, please visit the Coriant website.


For sales inquiries and product information.

Asia Pacific
Regional Headquarters

Request information
Phone: +65.6572.5600
Fax: +65.6215.6422

Europe, Middle East and Africa
Regional Headquarters

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Phone: +44.871.574.7000
Fax: +44.871.574.7151

Latin America and Caribbean
Regional Headquarters

Request information
Phone: +55.11.3572.6200
Fax: +55.11.3572.6225

North America
Regional Headquarters

Request information
Pre-sales support and answers to general product and service inquiries are fielded through Tellabs Sales and Services organizations. Contact the Tellabs regional office nearest you.

Technical Training Centers

Find out about technical training and education on Tellabs products.

Human Resource Staffing

For information on worldwide career opportunities at Tellabs.

Asia Pacific
Phone: +65.6572.5612
Fax: +65.6215.6426

Phone: +
Fax: +

Phone: +358.9.413121
Fax: +358.9.4131.2527

Latin America
Phone: +1.954.839.2831
Fax: +1.954.839.2780

United States
Fax: +1.630.798.2209

Corporate Information

Contact Tellabs communications and operations groups.

Public Relations
Phone: +1.630.798.3899
Fax: +1.630.798.4778
(media information, press kits, press releases)

Portal Support
(login problems, registration or server errors)

Website Administration
(website information, report broken links)