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Lumen (CenturyLink) phone lines in Cambridge, MN

The Cambridge exchange is served by Lumen (CenturyLink). No FCC filing names it yet, but Lumen stopped selling and renewing its business voice services on August 1, 2026, and its CFO has said the company will be "aggressive" about ending them.

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Or call 623-307-5548

What's changing with Lumen

  • Lumen stopped selling and renewing its business voice services on August 1, 2026. Existing contracts are honored until they end, then move to month-to-month.
  • On August 6, 2026, Lumen's CFO said the company will be "aggressive" about end of life. No shutoff date has been announced.
  • In March 2026 the FCC made it much easier for phone companies to retire copper lines.

Sources: Lumen's voice pullback (Channel Dive), Lumen's second-quarter call (Channel Dive) and the FCC's March 2026 order.

Areas served by the Cambridge exchange

Besides Cambridge, the exchange serves Grandy.

ZIP codes: 55005, 55008, 55029, 55040, 55070. Exchange boundaries don't follow ZIP codes exactly, so check your phone number to be sure.

What usually runs on these lines

  • Fire alarm and security panels that dial out
  • Elevator emergency phones
  • Fax machines
  • Gate and call boxes
  • Card terminals and ATMs
  • Main business lines and phone systems

Get a plan for your lines in Cambridge

Tell us what runs on your CenturyLink or Lumen lines. We'll tell you which are affected and what we'd replace them with: business VoIP for phones and fax, and Ooma AirDial for alarm panels, elevator phones and other equipment. No obligation.

Prefer to talk? Call 623-307-5548.

What are your lines used for? (check any)

Nearby areas

Based on public FCC filings and telephone exchange data, updated as new filings appear. Not legal or regulatory advice.