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
312-329ILILLINOIS 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 312-379
312-379-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS205/14/2002Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS2
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-410ILILLINOIS 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
312-467ILILLINOIS 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
312-494ILILLINOIS 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
312-644ILILLINOIS 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
312-645ILILLINOIS 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
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
312-661-3ILILLINOIS 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
312-661-7ILILLINOIS 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
312-670ILILLINOIS 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
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