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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-521ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136CHICGOZN01OKBRILOAXEX00/00/0000Prefix Type: CLEC
Switch Name: OAK BROOK
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
Thousands block for 312-521
312-521-0ILBANDWIDTH.COM CLEC, LLC - IL984ECHICGOZN01NOCLLIKNOWN02/02/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-1ILPEERLESS NETWORK OF ILLINOIS, LLC - IL063ECHICGOZN01NOCLLIKNOWN10/21/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-2ILLEVEL 3 COMMUNICATIONS, LLC - IL (Lumen Technologies, Inc)6115CHICGOZN01NOCLLIKNOWN10/25/2002Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-3ILMETROPCS, INC. (T-Mobile US, Inc)5562CHICGOZN01CHCGILMF4MD02/09/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-4ILPAETEC ITEL, LLC829JCHICGOZN01CHCGILCPDS503/27/2009Prefix Type: IPES
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-5ILACCESS ONE, INC. - IL5447CHICGOZN01NOCLLIKNOWN01/22/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-6ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136CHICGOZN01OKBRILOAXEXN/APrefix Type: CLEC
Switch Name: OAK BROOK
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-7ILFIRST COMMUNICATIONS, LLC460KCHICGOZN01CHCGILWUX6X10/10/2003Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-8ILPAETEC ITEL, LLC829JCHICGOZN01CHCGILWUDS007/24/2013Prefix Type: IPES
Switch Name: CHICAGO
Switch Type: WECO 5ESS (Digital)
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-521-9ILCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL (Verizon Wireless)6333CHICGOZN01RVDLILBDAMD01/10/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
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