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
331-281ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/25/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 331-281
331-281-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
331-281-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS010/26/2012Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-245
630-245-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-245-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-505
630-505-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-505-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-577
630-577-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-577-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-649ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-649
630-649-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-649-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS006/16/2000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-649-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS006/16/2000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-713ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-799ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-857ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-857
630-857-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-857-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-857-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-857-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-857-7ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
Thousands block for 630-955
630-955-0ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-1ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-2ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-3ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-4ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-5ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-6ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-8ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-955-9ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS0N/APrefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
630-979ILILLINOIS BELL TEL CO (AT&T)9329NAPERVILLENPVLILNEDS000/00/0000Prefix Type: RBOC
Switch Name: NAPERVILLE NE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: LBRDILLM20T
Detailed Switch Info
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