Providing Wholesale VoIP: High Quality Service at Competitive Rates

O1 Communications, Inc. is a California-based Competitive Local Exchange Carrier (CLEC) providing wholesale VoIP service to telecommunications service providers, carriers and other CLECs. O1 Communications offers the exceptional quality service, affordable rates, and industry-leading support that your company needs to stay ahead.

Complete California Coverage and Nationwide Solutions
O1 has complete California coverage and nationwide solutions. Our aggressive rates backed with a carrier-grade IP network, live 24x7 customer support, and flexible peering solutions set us apart from competitors.

Our service offerings include California origination and termination, interstate termination, international termination, toll-free termination (TFT), and turnkey VoIP services. O1's preferential peering arrangements include flexible on-net/off-net rate decks, on-net origination with local DIDs, any-to-any peering, and local number portability.