General Inquiry

Have a question? Need an answer? Cogent has a presence in most major cities across North America and Europe. Our largest offices are listed below.

Please feel free to contact any of our local offices so we can guide you quickly and efficiently to whatever information you need.

Cogent Communications, Inc.

(Corporate Headquarters)
2450 N Street NW
Washington, DC 20037
UNITED STATES OF AMERICA
Office: 1-202-295-4200
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Cogent Canada, Inc.

220 Yonge Street
Suite 211
Toronto, ON M5B 2H1
CANADA
Office: 1-416-860-8080
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Cogent Communications Espana S.L.

(Spain, Portugal, Italy, Balkans)
C/ José Bardasano Baos 9, Planta 2ª A
Edificio Gorbea lll
28016 Madrid
SPAIN
Office: 34 91 102 2527
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Cogent Communications Netherlands BV

(Benelux, Ukraine, CIS Countries)
Haarlemmerstraatweg 135
1165 MK Halfweg
THE NETHERLANDS
Office: 31 (0) 20 462 1440
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Cogent Communications UK Ltd

(United Kingdom and Ireland)
20 Mastmaker Court
London E14 9UB
UNITED KINGDOM
Office: 44 (0) 20 7510 9204
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C.C.D. Cogent Communications Deutschland GmbH

(DACH, CZ, SK, BG)
Lyoner Strasse 15
60528 Frankfurt am Main
GERMANY
Office: 49 69 299896 0
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Cogent Communications France SAS

77 Boulevard de la Republique
92257 La Garenne Colombes cedex
FRANCE
Office: 33 (0) 1 49031800
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Cogent Communications Nordics & Baltics

Isafjordsgatan 22A
5th floor
164 40 Kista
SWEDEN
Office: 46 (8)-4441444
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Cogent Communications Hungary, Kft.

(szolgáltató korlátolt felelősségű társaság)
Fő u. 14-18
HU-1011 Budapest
HUNGARY
Company Registration No.: 01-09-886853
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Cogent Europe S a r l

Edeleck building
2-4 Rue du Château d'Eau
L-3364 Leudelange
Luxembourg
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