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
231-352MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
Thousands block for 231-352
231-352-2MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-352-4MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-352-5MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-352-6MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-352-7MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-352-8MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-352-9MIMICHIGAN BELL TEL CO (AT&T)9323FRANKFORTFRFTMIMNRSAN/APrefix Type: RBOC
Switch Name: FRANKFORT
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info