Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
847-205ILILLINOIS 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
847-272ILILLINOIS 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
847-291ILILLINOIS 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 847-313
847-313-4ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS007/31/2001Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-313-6ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS005/29/2002Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-313-7ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS005/29/2002Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
Thousands block for 847-400
847-400-5ILILLINOIS 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
847-400-8ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS006/21/1999Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-412ILILLINOIS 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 847-412
847-412-0ILILLINOIS 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
847-412-1ILILLINOIS 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
847-412-2ILILLINOIS 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
847-412-3ILILLINOIS 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
847-412-4ILILLINOIS 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
847-412-5ILILLINOIS 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
847-412-6ILILLINOIS 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
847-412-7ILILLINOIS 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
847-412-9ILILLINOIS 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
Thousands block for 847-418
847-418-2ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS003/31/2000Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-418-3ILILLINOIS 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
847-480ILILLINOIS 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
847-498ILILLINOIS 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 847-504
847-504-2ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS005/11/2000Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-504-3ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS005/11/2000Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
847-509ILILLINOIS 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
847-559ILILLINOIS 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
847-562ILILLINOIS 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 847-562
847-562-0ILILLINOIS 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
847-562-1ILILLINOIS 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
847-562-2ILILLINOIS 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
847-562-3ILILLINOIS 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
847-562-4ILILLINOIS 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
847-562-7ILILLINOIS 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
847-562-8ILILLINOIS 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
847-562-9ILILLINOIS 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
847-564ILILLINOIS 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 847-564
847-564-0ILILLINOIS 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
847-564-1ILILLINOIS 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
847-564-2ILILLINOIS 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
847-564-3ILILLINOIS 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
847-564-4ILILLINOIS 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
847-564-5ILILLINOIS 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
847-564-7ILILLINOIS 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
847-564-8ILILLINOIS 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
847-564-9ILILLINOIS 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
Thousands block for 847-656
847-656-8ILILLINOIS BELL TEL CO (AT&T)9329NORTHBROOKNBRKILNBDS006/21/1999Prefix Type: RBOC
Switch Name: NORTHBROOK
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILNE50T
Detailed Switch Info
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
847-664-1ILILLINOIS 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
847-664-6ILILLINOIS 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
847-714ILILLINOIS 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 847-714
847-714-0ILILLINOIS 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
847-714-1ILILLINOIS 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
847-714-8ILILLINOIS 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
847-714-9ILILLINOIS 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
847-753ILILLINOIS 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
847-849ILILLINOIS 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 847-849
847-849-2ILILLINOIS 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
847-849-4ILILLINOIS 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
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