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Private Line Services

Choose traditional or advanced transmission options to connect point-to-point or point-to-multipoint. Service can cross LATA and state boundaries.


  • TDM (DS1, DS3)
  • SONET (OC3 to OC192)
  • Ethernet (FastE, GigE, 10-Gig Interface)
Dedicated Internet Access

C Spire offers symmetrical Internet access on its fiber facilities at speeds from 10 Mbps to 10 Gbps.

Custom Connectivity

C Spire can also meet unique needs for advanced data communications.


  • Wavelength Service (up to 10 Gbps)
  • Network to Network Interface (up to 10 Gbps)
  • MPLS-based Networks (VPLS, VPRN)

Fiber Network Map