Contact Us

If you would like to contact GTT, please complete the general inquiry form below and we will be back in touch with you shortly. Or you can call us at one of the numbers below.

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Email Address

Phone Number

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General Inquiries


AMERICAS:

+1 703 442 5500

EMEA/APAC:

+44 (0)20 7489 7200

Sales Inquiries


AMERICAS:

+1 512 592 4858

EMEA:

+44 (0)20 7489 7200

APAC:

+852 8107 1088

AMERICAS:

+1 877 385 5252
+1 800 583 1388
+1 703 442 5539

EMEA:

+44 (0)20 7489 4200

GTT Worldwide Offices

Austin

1835-B Kramer Lane Suite 100 Austin, TX 78758

+1 512 794 6000

Boston

91 Commercial Street Lynn, MA 01905

Chicago

230 West Monroe Street Suite 1920 Chicago, IL 60606 +1 312 471 8120

Dallas

7460 Warren Parkway Suite 220 Frisco, TX 75034 +1 469 791 0000

Denver

2000 S Colorado Blvd Denver, CO 80222

Halifax

132 Ketch Harbour Road Halifax, Nova Scotia B3V1J4

Los Angeles

555 Anton Blvd. Suite 200 Costa Mesa, CA 92626

New York

1270 Broadway Suite 809 New York, NY 10001

+1 646 254 6800

Philadelphia

2550 Eisenhower Avenue Suite B208 Trooper, PA 19403

+1 703 442 5500

Phoenix

3300 N. Central Avenue Suite 510 Phoenix, AZ 85012

+1 602 648 5000

Pittsburgh

1321 Connellsville Road Lemont Furnace, PA 15456

+1 724 437 1042

San Francisco

6700 Koll Center Parkway Suite 330 Pleasanton, CA 94566

Seattle

One Convention Place 701 Pike Street Suite 1100 Seattle, WA 98101

+1 206 829 4000

Washington

7900 Tysons One Place Suite 1450 McLean, VA 22102

+1 703 442 5500

Amsterdam

Tupolevlaan 103a 1119PA Schiphol-Rijk The Netherlands

Belfast

Concourse 3, Queen’s Road, Belfast, Co Antrim BT3 9DT UK

+44 (0)20 7029 4850

Cagliari

Viale Bonaria n 66, 09125 Cagliari (CA), Italy

+39 (0)70 460 0700

Dublin

International Exchange Centre Clonshaugh Industrial Estate Dublin 17

Frankfurt

Hugenottenallee 167 63263 Neu-isenburg, Germany

+49 610 2823 5400

London

5 Fleet Place, 9th Floor London, EC4M 7RD United Kingdom

+44 (0)20 7489 7200

Southport

Southport Business Park Wright Moss Way Southport, PR8 4HQ

Hong Kong

10/F., Central Building 1-3 Pedder Street Central, Hong Kong

+852 81071088

Pune

Pride Portal 5th Floor Bhairatwadi Shivaji Hsg Pune, India 411016