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Office locations

COLT has offices across Europe and sales offices in the US. Contact details for each of our offices are available by selecting the country you need from the dropdown box below. For sales enquiries for the US and Asia, please contact our US office.

United Kingdom
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Registered Office COLT Telecom Group S.A.
Kansallis House
Place de l’Etoile
L-1479
Luxembourg
Tel.:
inbound@colt.net
Birmingham COLT Telecommunications
4 Stephens Street
Newtown
Birmingham
B6 4RG
Tel.:44 (0) 20 7390 3900
Fax.:+44 (0) 20 7947 1810
inbound@colt.net
London Beaufort House
15 St Botolph Street
London
EC3A 7QN
Tel.:+44 (0) 20 7390 3900
Fax.:+44 (0) 20 7390 3901
inbound@colt.net
Manchester COLT Telecommunications
C/O 15 St Botolph Street
London
EC3A 7QN
Tel.:+44 (0) 207 390 3900
Fax.:+44 (0) 207 390 3901
inbound@colt.net
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