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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
331-221ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/21/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
Thousands block for 331-221
331-221-0ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-1ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-2ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-3ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-4ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-5ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-6ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-7ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-8ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
331-221-9ILILLINOIS BELL TEL CO (AT&T)9329ELMHURSTEMHRILETDS001/22/2009Prefix Type: RBOC
Switch Name: ELMHURST
Switch Type: 5ESS
LATA: Chicago IL METRO (358)
Tandem: NCHCILNC20T
Detailed Switch Info
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