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
254-442TXSOUTHWESTERN BELL9533CISCOCISCTXHIRS000/00/0000Prefix Type: RBOC
Switch Name: CISCO
Switch Type: Northern Telecom Remote Switching Center
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
Thousands block for 254-442
254-442-1TXSOUTHWESTERN BELL9533CISCOCISCTXHIRS0N/APrefix Type: RBOC
Switch Name: CISCO
Switch Type: Northern Telecom Remote Switching Center
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
254-442-2TXSOUTHWESTERN BELL9533CISCOCISCTXHIRS0N/APrefix Type: RBOC
Switch Name: CISCO
Switch Type: Northern Telecom Remote Switching Center
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
254-442-3TXSOUTHWESTERN BELL9533CISCOCISCTXHIRS0N/APrefix Type: RBOC
Switch Name: CISCO
Switch Type: Northern Telecom Remote Switching Center
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
254-442-4TXSOUTHWESTERN BELL9533CISCOCISCTXHIRS0N/APrefix Type: RBOC
Switch Name: CISCO
Switch Type: Northern Telecom Remote Switching Center
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
254-442-5TXSOUTHWESTERN BELL9533CISCOCISCTXHIRS0N/APrefix Type: RBOC
Switch Name: CISCO
Switch Type: Northern Telecom Remote Switching Center
LATA: Dallas TX (552)
Tandem: N/A
Detailed Switch Info
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