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Nextiva’s mission is to provide reliable unified communications products backed by a dedication to delivering Amazing Service to businesses across the country. Our cloud-based phone systems, fax communications, and web-based tools are designed to increase flexibility, productivity, and efficiency for businesses of all sizes in a variety of industries.

We welcome all of your feedback, questions and suggestions. Please do not hesitate to reach out to us via email, phone, online chat or social media.


Hours of Operation (AZ time zone) Monday - Friday: 5am - 6pm Saturday - Sunday: 6am - 6pm


Sales: (800) 799-0600

Support: (800) 285-7995

Human Resources: (844) 202-5598


Scottsdale Headquarters

8800 E Chaparral Road

Suite 300

Scottsdale, AZ 85250

Santa Clara Office

5201 Great American Parkway

Suite 320

Santa Clara, CA 95054

Kyiv Office

57 Lva Tolstogo Street

9th Floor

Kyiv 01032