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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
312-661ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS200/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-661
312-661-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-661-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-661-2ILNEW CINGULAR WIRELESS PCS, LLC - IL (AT&T Wireless)6534CHICGOZN01BURGILAHGT301/09/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-661-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-661-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-661-5ILBANDWIDTH.COM CLEC, LLC - IL984ECHICGOZN01NOCLLIKNOWN04/28/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-661-6ILT-MOBILE USA, INC. (T-Mobile US, Inc)6529CHICGOZN01CHCGILMF2MD05/16/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
312-661-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-661-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-661-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS2N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info