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
616-897MIMICHIGAN BELL TEL CO (AT&T)9323LOWELLLWLLMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: LOWELL
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL21T
Detailed Switch Info
616-987MIMICHIGAN BELL TEL CO (AT&T)9323LOWELLLWLLMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: LOWELL
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL21T
Detailed Switch Info
Thousands block for 616-987
616-987-2MIMICHIGAN BELL TEL CO (AT&T)9323LOWELLLWLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LOWELL
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL21T
Detailed Switch Info
616-987-9MIMICHIGAN BELL TEL CO (AT&T)9323LOWELLLWLLMIMNRSAN/APrefix Type: RBOC
Switch Name: LOWELL
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: GDRPMIBL21T
Detailed Switch Info
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