Sales and Marketing:

Klas Telecom Inc.
1101 30th Street NW, Suite 500
Washington, DC 20007
Tel: 202-625-8315
Fax: 1-866-532-3091
E-mail: [email protected]


Klas Ltd.
4th Floor, One Kilmainham Square
Inchicore Road, Kilmainham
Dublin 8, Ireland
Tel: +353-1-6624270
E-mail: [email protected]

Product and Service Support:

Klas Telecom Government
450 Springpark Place, Suite 1200
Herndon, VA 20170
Office: 571-375-2500
Helpdesk: 703-881-3156

Please see our Support page for technical support assistance