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.

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

Contact Our GNOC


If you are experiencing service issues, please login to your EtherVision account or reference your Client Guide. You may also contact us via phone:

AMERICAS:

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

EMEA:

+44 (0)20 7489 4200

Billing Inquiries


Please call the phone number listed on your invoice or send an email to: [email protected]

GTT Worldwide Offices

 

Atlanta

3379 Peachtree Road NE, Suite 925 Atlanta, GA 30326 +1 703 442 5500

Austin

1835-B Kramer Lane, Suite 100 Austin, TX 78758 +1 512 794 6081

Boston (Lynn)

91 Commercial Street Lynn, MA 01905 +1 703 442 5500

Boston (Waltham)

265 Winter Street Waltham, MA 02451 +1 703 442 5500

Chicago

180 North LaSalle Street, Suite 2430 Chicago, IL 60601 +1 703 442 5500

Chicago

230 W. Superior Street Floor 2 Chicago. IL 60654

Dallas

7460 Warren Parkway, Suite 220 Frisco, TX 75034 +1 703 442 5500

Denver

7600 East Orchard Road, Suite 270N Greenwood Village, CO 80111

Denver (Sales)

5555 DTC Parkway, Suite 360 Greenwood Village, CO 80111 +1 703 442 5500

Halifax

132 Ketch Harbour Road Halifax, Nova Scotia B3V1J4 +1 703 442 5500

Los Angeles

535 Anton Blvd. #800 Costa Mesa, CA 92626 +1 703 442 5500

Miami

500 W. Cypress Creek Road Suite 300 Ft. Lauderdale, FL 33309

Minneapolis

505 Waterford Park, Suite 465 Plymouth, MN 55441

+1 703 442 5500

New York

One Penn Plaza, Suite 1005 New York, NY 10119 +1 646 254 6800

Philadelphia

2550 Eisenhower Avenue, Suite B208 Norristown, PA 19403 +1 703 442 5500

Phoenix

3300 N. Central Avenue, Suite 510 Phoenix, AZ 85012 +1 703 442 5500

Pittsburgh

1321 Connellsville Road Lemont Furnace, PA 15456 +1 703 442 5500

Rochester

1048 University Avenue, Suite 3 Rochester, NY 14607 +1 703 442 5500

San Francisco

6700 Koll Center Parkway, Suite 330 Pleasanton, CA 94566 +1 703 442 5500

San Jose

2510 Zanker Road San Jose, CA 95131 +1 866 226 4244

Seattle

One Convention Place 701 Pike Street, Suite 1100 Seattle, WA 98101 +1 703 442 5500

Toronto

155 Wellington Street West, Suite 3740 Toronto, ON M5V 3H1

+1 703 442 5500

Vienna

Tysons Intl. Plaza 1921 Gallows Road, Suite 800 Vienna, VA 22182

+1 703 442 5500

Washington

7900 Tysons One Place, Suite 1450 McLean, VA 22102 +1 703 442 5500

Berlin

Europarc Dreilinden Albert-Einstein-Ring 5 D-14532 Kleinmachnow Germany

Bracknell

St. James House Oldbury Bracknell RG12 8TH UK

Cagliari

Viale Bonaria 66, 09125 Cagliari (CA), Italy +39 (0) 70 460 0700

Copenhagen

Niels Juels Gade 5, 3.sal DK-1059 Copenhagen K Denmark

Dublin

International Exchange Centre Clonshaugh Industrial Estate, Clonshaugh Dublin 17, D17 AW86 +353 1 8673686

Düsseldorf

Prinzenallee 9 D-40549 Dusseldorf Germany

Frankfurt

Hugenottenallee 167 63263 Neu-isenburg, Germany +49 610 2823 5400

Frankfurt

Weismueller Strasse 26 D-60314 Frankfurt Germany

Frankfurt – Eschborn

Schwalbacher Strasse 60-62 65760 Eschborn Germany

Geneva

Chemin de l’Epinglier 2 Meyrin Geneva CH-1217 Switzerland

Gothenburg

Sweden AB Lilla Bommen 5 Gothenburg 41104 Sweden

Hoddesdon

Computer Building Geddings Road Hoddesdon EN11 0NT UK

London

24th Floor, 125 Old Broad Street London, EC2N 1AR United Kingdom +44 (0)20 7489 7200

London

31st Floor 25 Canada Square Canary Wharf London, E14 5LQ UK

Madrid

Pol. Emp. Herrera Oria Lezama, 4 Madrid 28034 Spain

Munich

Carl-Zeiss-Ring 19 D-85737 Ismaning Germany

Netherlands

Koolhovenlaan 120 1119 NH Schiphol-Rijk The Netherlands

Nottingham

3rd Floor, New Castle House Castle Boulevard Nottingham NG7 1FT UK

Paris – Aubervilliers

34 rue des Gardinoux Aubervilliers 93300 France

Paris – Nanterre

55 Avenue des Champs Pierreux 92000 Nanterre France

Prague

Siemensova Street 2717/4 Prague 5 155 00 Czech Republic

Rome

Via Cornelia 498 Roma 00166 Italy

Sofia

Business Building Megapark 1st Floor 115G Tsarigradsko Shose Blvd. Sofia 1784 Bulgaria

Southport

Southport Business Park Wight Moss Way Southport, UK +44 01704 322313

Stockholm

Sveavägen 163 Stockholm S-113 46 Sweden

Vienna

Lemböckgasse 63 Stiege 2 A-1230 Wien Austria

Zaventem – Brussels

Leuvensesteenweg 573 Block 2C 1930 Zaventem Belgium

Zürich

Josefstrasse 225 Zürich CH-8005 Switzerland

 

Hong Kong

6th Floor, Bonham Circus 40 Bonham Strand Sheung Wan +852 8107 1088

Hong Kong

Unit 1001, 10/F Infinitus Plaza 199 Des Voeux Road Central Hong Kong

Pune

8th Floor, Platinum Tech Park, Panchshil Ganeshkhind Rd Narveer Tanaji Wadi, Shivajinagar, Pune, Maharashtra 411005 India

Shanghai

Chamtime Plaza, Jinke Road 2889 Building B Unit 204 201203 Shanghai Pudong Zhangjiang China

Singapore

10 Changi Business Park Central 2 #05-01, HansaPoint CBP Singapore 486030 Singapore

 

São Paulo

Av. Nacoes Unidas 12551 9th Floor São Paulo – SP – 04578-903 Brazil