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
231-879MIMICHIGAN BELL TEL CO (AT&T)9323FIFE LAKEFFLKMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: FIFE LAKE
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
Thousands block for 231-879
231-879-3MIMICHIGAN BELL TEL CO (AT&T)9323FIFE LAKEFFLKMIMNRSAN/APrefix Type: RBOC
Switch Name: FIFE LAKE
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
231-879-4MIMICHIGAN BELL TEL CO (AT&T)9323FIFE LAKEFFLKMIMNRSAN/APrefix Type: RBOC
Switch Name: FIFE LAKE
Switch Type: N/A
LATA: Grand Rapids MI (348)
Tandem: TRCYMIMN20T
Detailed Switch Info
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