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
312-228ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-233
312-233-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-233-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-240ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-297ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-374ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-374
312-374-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-374-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-374-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS010/27/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-472
312-472-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-2ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-3ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-4ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-5ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-6ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-7ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-472-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS011/03/2005Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-540ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-552ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-565ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-616ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-653ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-729ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-819ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-856ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
Thousands block for 312-856
312-856-0ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-856-1ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-856-8ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-856-9ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS0N/APrefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-861ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-938ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info
312-946ILILLINOIS BELL TEL CO (AT&T)9329CHICGOZN01CHCGILLRDS000/00/0000Prefix Type: RBOC
Switch Name: CHCG LAKESHORE
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: CHCGILID71T
Detailed Switch Info