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Providers of Telecommunications Services


 Active Regulated Telecommunications Utilities Providers & Contacts

Open the workbook and portfolio below to access lists or maps of active, jurisdictional Telecommunications service providers and their designated agent contacts.  (You may need to update Adobe PDF Reader on your machine or use a different internet browser to view portfolios.  Double click each PDF in the portfolio to enlarge that document or display and click the list of documents.)

Telecommunications Providers' Designated Agent Contacts workbook excel spreadsheet

Telecommunications Providers & Designated Agent Contacts portfolio pdf file   

  Included files list:  

  • General List of Telecommunications Service Providers
  • Contact List of Designated Agents of Telecommunications Service Providers
  • Colorado Telephone Exchange Area Map

Provider Types

Competitive Local (can include)

Business Service Only
Emergency Service Only
Facility Based
Provider of Last Resort (POLR)
Residential Service Only  

Emerging Competitive (can include)

Inmate Provider
Inmate Provider, Relaxed Regulatory Treatment
InterLATA Toll Only, Facilities Based
IntraLATA Toll Only, Facilities Based
Non-Optional Operator Services
Non-Optional Operator Services, Relaxed Regulatory Treatment
Private Line Service, Jurisdictional
Private Line Service, Jurisdictional, Relaxed Regulatory Treatment
Switched Access
Switched Access, Relaxed Regulatory Treatment
Toll Service, Facilities Based
Toll Service, Facilities Based, Relaxed Regulatory Treatment 

Incumbent Local Exchange Carrier (ILEC)
as defined by the Federal Communications Commission, 47 CFR 51.5

With respect to an area, the local exchange carrier that:

(1) On February 8, 1996, provided telephone exchange service in such area; and
(2)(i) On February 8, 1996, was deemed to be a member of the Exchange Carrier Association pursuant to § 69.601(b) of this chapter; or (ii) Is a person or entity that, on or after February 8, 1996, became a successor or assign of a member described in paragraph (2)(i) of this section. 

Toll Reseller

Any person who provides toll services to end-use customers by using the transmission facilities, including without limitation wire, cable, optical fiber, or satellite or terrestrial radio signals of another person. A toll reseller may, but need not, possess its own switching facilities. See Commission Rule 4 CCR 723-2-2001.

Complaint Procedure

If you have a complaint against one of these companies, try to resolve it first with the company.
If you have a question or inquiry about service, please contact the person listed for the company.

If you are unable to resolve the problem with the utility and you need further assistance, please contact the External Affairs office of the Public Utilities Commission at 303-894-2070 or 800-456-0858 if you reside outside of the Denver metro area but within the State of Colorado. 




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1560 Broadway, Suite 250, Denver, CO 80202
(303) 894-2000 - Phone (800) 888-0170 - Permits and Insurance (800) 456-0858 - Consumer Assistance (303) 894-2065 - Fax