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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
224-521ILILLINOIS BELL TEL CO (AT&T)9329GLENVIEWGLVWILGVDS007/29/2002Prefix Type: RBOC
Switch Name: GLENVIEW
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
Thousands block for 224-521
224-521-0ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115GLENVIEWNOCLLIKNOWN01/25/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-1ILONVOY, LLC (Inteliquent)224CGLENVIEWNOCLLIKNOWN08/09/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-2ILFIRST COMMUNICATIONS, LLC5917GLENVIEWNOCLLIKNOWN06/18/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-3ILT-MOBILE USA, INC. (T-Mobile US, Inc)6529GLENVIEWCHCGILMF2MD01/12/2023Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-4ILILLINOIS BELL TEL CO (AT&T)9329GLENVIEWGLVWILGVDS004/23/2003Prefix Type: RBOC
Switch Name: GLENVIEW
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-521-5ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115GLENVIEWNOCLLIKNOWN07/30/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-6ILONVOY, LLC (Inteliquent)224CGLENVIEWNOCLLIKNOWN04/27/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-7ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115GLENVIEWNOCLLIKNOWN09/23/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
224-521-8ILILLINOIS BELL TEL CO (AT&T)9329GLENVIEWGLVWILGVDS011/26/2002Prefix Type: RBOC
Switch Name: GLENVIEW
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE20T
Detailed Switch Info
224-521-9ILFIRST COMMUNICATIONS, LLC - IL4604GLENVIEWNOCLLIKNOWN12/14/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
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