If you'd like someone to contact you about the benefits unified communications can offer your business, please fill in your details below and one of our representatives will contact you. Alternatively, if you'd like to contact us direct, please find the office nearest to you, using the country selector on the right.
Online enquiry form
United Kingdom
Birmingham
Tel.:44 (0) 20 7390 3900
inbound@colt.net
London
Tel.:+44 (0) 20 7390 3900
inbound@colt.net
Manchester
Tel.:+44 (0) 207 390 3900
inbound@colt.net
Belgium
Brussel
Tel.:+32 2 790 16 16
be.Info@colt.net
Antwerpen
Tel.:+32 2 790 16 16
info@colt-telecom.be
France
Paris
Tel.:33 1 70 99 55 00
info.fr@colt.net
Lille
Tel.:+33 (0) 3 20 12 1327
info.fr@colt.net
Lyon
Tel.:+33 (0) 4 37 91 79 00
info.fr@colt.net
Marseille
Tel.:+33 (0) 4 26 83 45 00
info.fr@colt.net
Toulouse c/o Burotel
Tel.:+33 (0) 5 61 36 1310
info.fr@colt.net
Germany
Deutschland-Zentrale
Tel.:+49 (0) 69 / 5 66 06 - 0
info.de@colt.net
Berlin
Tel.:+49 (0) 30 / 8 84 42 - 0
info.de@colt.net
Düsseldorf
Tel.:+49 (0) 2 11 / 4 78 43 - 0
info.de@colt.net
Frankfurt
Tel.:+49 (0) 69 / 5 66 06 - 0
info.de@colt.net
Hamburg
Tel.:+49 (0) 40 / 3 50 67 - 0
info.de@colt.net
Hannover
Tel.:+49 (0) 5 11 / 1 23 53 - 0
info.de@colt.net
Köln
Tel.:+49 (0) 221 / 27 38 - 0
info.de@colt.net
München
Tel.:+49 (0) 89 / 2 86 41 - 0
info.de@colt.net
Stuttgart
Tel.:+49 (0) 7 11 / 2 22 53 - 0
info.de@colt.net
Italy
Milano (Direzione Generale)
Tel.:+39 02 30333 1
it.info@colt.net
Roma
Tel.:+39 06 510741
it.info@colt.net
Torino
Tel.:+39 011 23001
it.info@colt.net
Netherlands
Amsterdam
Tel.:+31 20 888 20 20
nl.info@colt.net
Rotterdam
Tel.:+31 10 799 30 30
nl.info@colt.net
Spain
Madrid
Tel.:+34 91 789 9000
info.es@colt.net
Barcelona
Tel.:+34 93 445 50 00
info.es@colt.net
Valencia
Tel.:+34 96 046 60 00
info.es@colt.net
Switzerland
Zurich
Tel.:+41 58 560 16 00
ch.info@colt.net
Baar
Tel.:+41 58 560 34 00
ch.info@colt.net
Basel
Tel.:+41 58 560 36 00
ch.info@colt.net
Bern
Tel.:+41 58 560 33 00
ch.info@colt.net
Geneve
Tel.:+41 58 560 32 00
ch.infogva@colt.net
Lugano
Tel.:+41 58 560 39 00
ch.info@colt.net