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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-291ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWBDS200/00/0000Prefix Type: RBOC
Switch Name: CHCG WABASH DS2
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
Thousands block for 312-291
312-291-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILWBDS2N/APrefix Type: RBOC
Switch Name: CHCG WABASH DS2
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILWB55T
Detailed Switch Info
312-291-1ILBANDWIDTH.COM CLEC, LLC - IL984ECHICGOZN01NOCLLIKNOWN05/19/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-2ILFIRST COMMUNICATIONS, LLC5917CHICGOZN01NOCLLIKNOWN02/17/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-3ILXO ILLINOIS, INC. (Verizon Communications)7056CHICGOZN01CHCGILTCDS411/15/2005Prefix Type: CLEC
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-4ILXO ILLINOIS, INC. (Verizon Communications)7056CHICGOZN01CHCGILTCDS411/15/2005Prefix Type: CLEC
Switch Name: CHICGOZN01
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-5ILTELEPORT COMMUNICATIONS AMERICA, LLC - IL (AT&T)7136CHICGOZN01NOCLLIKNOWN01/10/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-6ILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CHICGOZN01BURGILAHGT305/25/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-7ILFIRST COMMUNICATIONS, LLC - IL4604CHICGOZN01NOCLLIKNOWN04/28/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-8ILCOMCAST IP PHONE, LLC318JCHICGOZN01CHCGILNEXJX05/06/2011Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-291-9ILCOMCAST IP PHONE, LLC318JCHICGOZN01CHCGILNEXJX05/27/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
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