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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
847-664ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS000/00/0000Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
Thousands block for 847-664
847-664-0ILT-MOBILE USA, INC. (T-Mobile US, Inc)6529NORTHBROOKCHCGILMF2MD04/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
847-664-1ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS0N/APrefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-2ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS0N/APrefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-3ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS0N/APrefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-4ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS011/10/1999Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-5ILFIRST COMMUNICATIONS, LLC - IL4604NORTHBROOKNOCLLIKNOWN04/28/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
847-664-6ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS0N/APrefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-7ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS012/10/1999Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-8ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS006/21/2000Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-664-9ILT-MOBILE USA, INC. (T-Mobile US, Inc)6529NORTHBROOKCHCGILMF2MD04/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Chicago IL METRO (358)
Tandem: N/A
Detailed Switch Info
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