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
815-568ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS000/00/0000Prefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
Thousands block for 815-568
815-568-0ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-1ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-2ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-3ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-4ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-5ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-6ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-7ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
815-568-8ILILLINOIS BELL TEL CO (AT&T)9329MARENGOMRNGILMRRS0N/APrefix Type: RBOC
Switch Name: MARENGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: NBRKILNT55T
Detailed Switch Info
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