Phonewire Inc.

Phonewire Inc. is a trusted business telecom provider specializing in VoIP phone systems, on-premise PBX solutions, and professional installation services for small and mid-sized businesses across the United States. Based in O'Fallon, Illinois, Phonewire has delivered reliable, enterprise-grade communication systems backed by responsive, U.S.-based support since 1998.

Our services cover everything from initial consultation and system design to full on-site installation and ongoing maintenance. Whether your business needs a cloud-hosted VoIP platform, a hybrid phone system, classroom intercoms, warehouse paging, or emergency elevator phones, Phonewire provides tailored solutions that fit your operations and budget.

We partner with leading manufacturers including Yealink, Snom, Fanvil, Algo, and CyberData to deliver best-in-class hardware paired with flexible cloud and on-premise platforms. Phonewire serves businesses in over 35 major metro areas, including Chicago, St. Louis, Dallas, Denver, Houston, Nashville, and Indianapolis.

What sets Phonewire apart is our commitment to personal service: dedicated technicians, transparent pricing with no hidden fees. Contact us at or visit phonewire.com for a free consultation.