Contact Us

Email (Sales): sales@uk.openmarket.com

Email (Support): support@openmarket.com

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London

Tel: 0845 666 7778 (Int: +44 20 8987 8855)

Address:
OpenMarket Ltd
15th Floor
389 Chiswick High Road
Chiswick
London
W4 4AJ

Visiting us:

We are situated in the BSI Building on Chiswick High Road in Chiswick, West London. [map]

By public transport:

We are immediately next to Gunnersbury station on the District Line, about 30 minutes from central London by Tube. Gunnersbury station is also served by the London Overground.

Further public transport advice is available from the Transport for London Journey Planner.

By car:

If you will be arriving by car, please let us know the make and registration number (24 hours in advance if possible) so we can ensure you are allocated a parking space by building security.

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Sydney

Tel: +61 2 9332 2141

Fax: +61 2 8007 0406

Address:
OpenMarket Pty Ltd
704/14 Kings Cross Road
Potts Point
Sydney
NSW 2011

Visiting us:

Here is a map of our office location.

By public transport:

Take the Eastern Suburbs and Illawarra Line to Kings Cross train station. We are situated just around the corner from Darlinghurst Road on Kings Cross Road.

Public transport information is available from the Sydney Transport Infoline.

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Seattle (Global Headquarters)

Tel (Toll-free from US): 1 877 277-2801

Fax: +1 (206) 447-0669

Address:
OpenMarket Inc.
2211 Elliott Avenue, Suite 400
Seattle, WA 98121

Detroit

Tel (Toll-free from US): 1 877 277 2801

Tel (Int): +1 (248) 286 2800

Fax: +1 (734) 527-6124

Address:
OpenMarket Inc.
27777 Franklin Road, Suite 1545
Southfield, MI 48034

MX Telecom Limited is a company registered in England and Wales with Company Registration Number 04009908 and VAT Registration Number 757049606