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
224-653ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS105/20/2002Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 224-653
224-653-1ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
224-653-2ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
224-653-3ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
224-653-4ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
224-653-5ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
224-653-6ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-872ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 630-872
630-872-0ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
630-872-8ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-252ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 847-252
847-252-2ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS106/19/2000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-252-4ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-252-5ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-252-6ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-252-7ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-252-8ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 847-285
847-285-3ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS104/19/2001Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-285-4ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS104/19/2001Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-285-5ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS104/19/2001Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-285-6ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS104/19/2001Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-285-7ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS104/19/2001Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-285-8ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS104/19/2001Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-303ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-310ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-348ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 847-348
847-348-5ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-348-7ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-397ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-490ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-519ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-536ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-755ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-781ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-839ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-843ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-880ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-882ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-884ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-885ILILLINOIS BELL TEL CO (AT&T)9329ROSELLEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS100/00/0000Prefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 847-925
847-925-0ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-1ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-2ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-3ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-4ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-5ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-6ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-8ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
847-925-9ILILLINOIS BELL TEL CO (AT&T)9329PALATINEHFESILWLDS1N/APrefix Type: RBOC
Switch Name: WILLOWCREST DS1
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
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