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
312-222ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-229ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-229
312-229-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS0N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-229-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS0N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-229-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS0N/APrefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-245ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-321ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-379
312-379-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS003/05/2000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-379-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS003/05/2000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-379-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS003/05/2000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-396ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-464ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-527ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-595ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-742ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-744ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-755ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-817ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-822ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-828ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-832ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-836ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-840ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-923ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILIDDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG ILL DEAR DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info