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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
773-253ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136CHICGOZN10CHCGIL24DS000/00/0000Prefix Type: CLEC
Switch Name: CHICAGO
Switch Type: WECO 5ESS (Digital)
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
Thousands block for 773-253
773-253-0ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136CHICGOZN10CHCGIL24DS0N/APrefix Type: CLEC
Switch Name: CHICAGO
Switch Type: WECO 5ESS (Digital)
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-1ILT-MOBILE USA, INC. (T-Mobile US, Inc)6529CHICGOZN10CHCGILMFCM102/27/2007Prefix Type: PCS
Switch Name: CHICAGO
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-2ILRCN TELECOM SERVICES OF ILLINIOS, INC. - IL8702CHICGOZN10NOCLLIKNOWN06/14/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-3ILACCESS ONE, INC. - IL5447CHICGOZN10NOCLLIKNOWN12/08/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-4ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115CHICGOZN10NOCLLIKNOWN02/16/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-5ILLEVEL 3 COMMUNICATIONS, LLC - IL (CenturyLink, Inc)6115CHICGOZN10NOCLLIKNOWN02/16/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-6ILTERRA NOVA TELECOM INC.145JCHICGOZN10NOCLLIKNOWN06/18/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-7ILRCN TELECOM SERVICES OF ILLINIOS, INC. - IL8702CHICGOZN10NOCLLIKNOWN07/05/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-8ILCOMCAST IP PHONE, LLC318JCHICGOZN10NOCLLIKNOWNN/APrefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
773-253-9ILRCN TELECOM SERVICES OF ILLINIOS, INC. - IL8702CHICGOZN10NOCLLIKNOWN09/29/2005Prefix 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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