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
517-536MIMICHIGAN BELL TEL CO (AT&T)9323NAPOLEONNPLNMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: NAPOLEON
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: LNNGMIMN20T
Detailed Switch Info
Thousands block for 517-536
517-536-0MIMICHIGAN BELL TEL CO (AT&T)9323NAPOLEONNPLNMIMNRSAN/APrefix Type: RBOC
Switch Name: NAPOLEON
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: LNNGMIMN20T
Detailed Switch Info
517-536-4MIMICHIGAN BELL TEL CO (AT&T)9323NAPOLEONNPLNMIMNRSAN/APrefix Type: RBOC
Switch Name: NAPOLEON
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: LNNGMIMN20T
Detailed Switch Info
517-536-8MIMICHIGAN BELL TEL CO (AT&T)9323NAPOLEONNPLNMIMNRSAN/APrefix Type: RBOC
Switch Name: NAPOLEON
Switch Type: N/A
LATA: Lansing MI (346)
Tandem: LNNGMIMN20T
Detailed Switch Info
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