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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
630-662ILILLINOIS BELL TEL CO (AT&T)9329WESTERNSPGLGRCILLGDS000/00/0000Prefix Type: RBOC
Switch Name: LA GRANGE DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
Thousands block for 630-662
630-662-0ILILLINOIS BELL TEL CO (AT&T)9329WESTERNSPGLGRCILLGDS0N/APrefix Type: RBOC
Switch Name: LA GRANGE DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info
630-662-5ILILLINOIS BELL TEL CO (AT&T)9329WESTERNSPGLGRCILLGDS0N/APrefix Type: RBOC
Switch Name: LA GRANGE DS0
Switch Type: DMS100
LATA: Chicago IL METRO (358)
Tandem: JOLTILJO20T
Detailed Switch Info