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
616-583MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
Thousands block for 616-583
616-583-0MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSAN/APrefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
616-583-1MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSAN/APrefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
616-583-4MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSAN/APrefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
616-583-5MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSAN/APrefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
616-583-9MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSAN/APrefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
616-878MIMICHIGAN BELL TEL CO (AT&T)9323BYRON CTRBYCTMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: BYRON CENTER
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL10T
Detailed Switch Info
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