Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
303-433COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
303-455COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
303-458COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
303-477COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
303-480COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
303-561COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
303-964COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-854COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-854 is split into 1,000-number blocks - detail below
720-854-0XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-854-1XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-854-7XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855COQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855 is split into 1,000-number blocks - detail below
720-855-0XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-1XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-2XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-3XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-4XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-6XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-7XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-8XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
720-855-9XXXCOQWEST CORPORATION0003746757RMD00063899636DENVERDNVRCONODS0N/APrefix Type: RBOC
Switch Name: DENVER-NORTH
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOMA02T
🔧 Explore Switch(CLLI: DNVRCONODS0))
🕘 Prefix History
🔎 Explore Carrier Information
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