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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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
520-364AZQWEST CORPORATION9636DOUGLASDGLSAZMARS100/00/0000Prefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-368AZQWEST CORPORATION9636DOUGLASDGLSAZMARS111/07/2007Prefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
Thousands block for 520-368
520-368-9AZCELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ (Verizon Wireless)6572DOUGLASDGLSAZMARS111/26/2025Prefix Type: WIRELESS
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805AZQWEST CORPORATION9636DOUGLASDGLSAZMARS100/00/0000Prefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
Thousands block for 520-805
520-805-0AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-1AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-2AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-3AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-4AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-5AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-6AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-8AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-805-9AZQWEST CORPORATION9636DOUGLASDGLSAZMARS1N/APrefix Type: RBOC
Switch Name: DOUGLAS
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
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