Skip to main content
NEC and Netcracker Complete Acquisition of CSG Systems. The integration of CSG with Netcracker creates a more comprehensive and unified digital platform.Learn More

Contact us

Complete the form for general inquiries, support requests, or to connect with our sales team—we’ll make sure your message gets to the right people.

Contact information

Headquarters

169 Inverness Dr W, Suite 300 Englewood, CO 80112

Phone numbers

+1 303 200 2000 +1 303 200 3333

Global service desk

(N. AMERICA) +1-888-275-1274 (CALA) +1-888-531-0316 (EMEA) +353 91 501 333 (APAC) +61 7 3218 8564

Media inqueries

pr@csgi.com