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
520-457AZQWEST CORPORATION9636TOMBSTONETMBSAZMARS100/00/0000Prefix Type: RBOC
Switch Name: TOMBSTONE
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
Thousands block for 520-457
520-457-1AZQWEST CORPORATION9636TOMBSTONETMBSAZMARS1N/APrefix Type: RBOC
Switch Name: TOMBSTONE
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-457-2AZQWEST CORPORATION9636TOMBSTONETMBSAZMARS1N/APrefix Type: RBOC
Switch Name: TOMBSTONE
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-457-3AZQWEST CORPORATION9636TOMBSTONETMBSAZMARS1N/APrefix Type: RBOC
Switch Name: TOMBSTONE
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info
520-457-9AZQWEST CORPORATION9636TOMBSTONETMBSAZMARS1N/APrefix Type: RBOC
Switch Name: TOMBSTONE
Switch Type: Northern Telecom Remote Switching Center
LATA: Tucson AZ (668)
Tandem: TCSNAZMA04T
Detailed Switch Info