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
Thousands block for 331-332
331-332-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-332-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/17/2009Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-305ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-355ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-357ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-369ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-388
630-388-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/19/2003Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-388-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS001/03/2003Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-388-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS001/03/2003Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-416ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-420ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-428ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-527ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-548ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-579ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-637ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-646
630-646-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-646-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-717ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-718ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-753ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-778ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-798ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS012/10/2002Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-813
630-813-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-813-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-848
630-848-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-848-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-904ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-922ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-961ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-983ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNADS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NA
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
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