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
815-220ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS000/00/0000Prefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
Thousands block for 815-220
815-220-0ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-220-1ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-220-2ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-220-3ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-220-4ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-220-7ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-220-8ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS0N/APrefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-223ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS000/00/0000Prefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
815-224ILILLINOIS BELL TEL CO (AT&T)9329LA SALLELSLLILLSDS000/00/0000Prefix Type: RBOC
Switch Name: LASALLE
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
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