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Area codes: 303, 719, 720, 970, 983

One phone system for the whole state.

Colorado's business map stretches well beyond downtown Denver. The metro area hosts a deep bench of tech companies, healthcare systems, and professional services firms, while Boulder adds startups and research spinouts from the university and federal labs. Colorado Springs is one of the nation's key aerospace and defense towns, home to major space commands and the contractors that support them. On the Western Slope and in mountain towns, outdoor recreation, tourism, construction, and energy businesses run lean teams across long distances. All of them need phones that work wherever staff happen to be — office, job site, or trailhead parking lot.

Colorado is a one-party consent state for call recording, so a business may record its own calls without notifying the other side. That is useful for contractors documenting change-order conversations and for sales teams reviewing calls, and fvoip's optional announcement covers you when dialing into all-party states like California. Voicemail-to-email with AI transcripts fits Colorado's on-the-go work style: a property manager driving between Summit County units or a rep between Denver meetings reads messages instead of dialing in.

Most Colorado businesses buy phone service from Lumen (CenturyLink), Comcast Business, or Spectrum Business, and multi-location setups get expensive fast. fvoip puts a Denver headquarters, a Colorado Springs branch, and a Grand Junction office on one system with extension dialing, shared auto-attendants, and a single bill — and porting your existing 303, 720, or 719 numbers is free. From a three-person Boulder consultancy to a 40-seat firm with offices along the Front Range, most teams are fully switched over within days.

  • Local Colorado numbersGet or port numbers in 303, 720, and 983 (Denver metro), 719 (Colorado Springs and southern Colorado), and 970 (Fort Collins and the Western Slope).
  • Front Range to mountain townsOffices and remote staff across the state share one system — all they need is an internet connection.
  • Free porting from Colorado carriersWe move your numbers from Lumen (CenturyLink), Comcast Business, or Spectrum Business at no charge with a clean cutover.
  • Snow-day continuityWhen weather closes an office, calls reroute automatically to mobile apps or another location so customers never hit a dead line.
What CO businesses save
Typical 5-person office
Traditional carrierLumen (CenturyLink) / Comcast Business
$195/mo
fvoip Essential5 users · unlimited US/Canada calling
$105/mo
You keep
$1,080/year

Colorado cities we cover in depth.

Local-number inventory, porting timelines, and industry notes for each metro.

Colorado questions, answered

Can I get local numbers across Colorado?
Yes. fvoip provides numbers in every Colorado area code: 303, 720, and 983 in the Denver metro, 719 for Colorado Springs and Pueblo, and 970 covering Fort Collins, Grand Junction, and the mountains. Mix them freely on one account.
What is Colorado's call recording law?
Colorado is a one-party consent state, so you may record calls you participate in without the other party's permission. If your team calls into all-party states such as California, enable fvoip's automatic recording announcement to stay compliant everywhere.
Can I keep my number when leaving CenturyLink or Comcast?
Yes. Porting from Lumen (CenturyLink), Comcast Business, Spectrum Business, or any other Colorado carrier is free. Local transfers typically complete in 3–10 business days and your current line works until the port finishes.
We have a Denver office and a Colorado Springs office. Can they act as one company?
Yes. Both sites share one account, one auto-attendant structure, and extension dialing between them. Callers never know which city answered, and admins manage everything from a single portal.
Does fvoip work for defense and aerospace contractors in Colorado Springs?
Yes. Call recording with announcements documents program calls, auto-attendants route vendors and primes to the right people, and per-user pricing keeps costs predictable through contract cycles. Multi-office support covers satellite locations near the bases.

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