Input a CLLI:

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

If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
303-300COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-504COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
Thousands block for 303-512
303-512-0COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-1COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-2COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-4COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-5COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-6COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-7COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-8COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-512-9COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-584COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-639COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-691COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-692COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-753COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-756COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-757COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-758COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-759COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
303-782COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-242COQWEST CORPORATION9636DENVERDNVRCOSEDS010/09/2008Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
Thousands block for 720-242
720-242-0COFIVE9, INC.598JDENVERDNVRCOSEDS005/18/2023Prefix Type: UNKNOWN
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-242-1CONEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)6010DENVERDNVRCOSEDS005/25/2023Prefix Type: WIRELESS
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-242-2CONEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)6010DENVERDNVRCOSEDS005/25/2023Prefix Type: WIRELESS
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-242-3COQWEST CORPORATION9636DENVERDNVRCOSEDS010/10/2008Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-242-4COQWEST CORPORATION9636DENVERDNVRCOSEDS010/10/2008Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-524COQWEST CORPORATION9636DENVERDNVRCOSEDS000/00/0000Prefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
Thousands block for 720-524
720-524-0COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-524-1COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-524-2COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-524-5COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info
720-524-9COQWEST CORPORATION9636DENVERDNVRCOSEDS0N/APrefix Type: RBOC
Switch Name: DENVER-SE
Switch Type: Northern Telecom DMS100 (Digital)
LATA: Denver CO (656)
Tandem: DNVRCOSO02T
Detailed Switch Info