Contact Us

Below is a list of our telephone and fax numbers, email addresses, and office addresses.

Telephone Numbers

Main Phone Number

Main Fax


US Sales

EMEA Sales

All Support 408-567-2000

408-982-8902


1-800-664-9973

+353 1 661 9979

1-800-664-9974
Back to Top

Email Addresses

For general inquiries

Email resumés and
job related information

Marketing and
public relations

For inquiries regarding
our service options

Partner opportunities

Comments or questions
about this website













Back to Top

Street Addresses

Corporate Headquarters





EMEA Headquarters



International Offices
















Domestic Regional Offices 5201 Great America Parkway
Suite 120
Santa Clara, CA 95054
408-567-2000
(map to office)

8 Clanwilliam Square
Dublin 2
Ireland

OpSource UK Limited
150 Minories
London
EC3N 1LS
United Kingdom
+44 20 7043 1240

OpSource India Pvt Ltd
Unit 18, 8th Floor
Innovator Block, ITPL
Whitefield Road
Bangalore 560066
India
+91 80 30578400
+91 80 30578407 Fax
(map to office)

950 Herndon Pkwy, Suite 425
Herndon, VA 20170
(map to office)

107 Providence Street
Putnam, CT 06260
860-315-2222
(map to office)

Please see the OpSource Corporate Background for more information.