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
810-748MIMICHIGAN BELL TEL CO (AT&T)9323ALGONACHRISMIMNRSA00/00/0000Prefix Type: RBOC
Switch Name: HARSENS ISLAND
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
Thousands block for 810-748
810-748-3MIMICHIGAN BELL TEL CO (AT&T)9323ALGONACHRISMIMNRSAN/APrefix Type: RBOC
Switch Name: HARSENS ISLAND
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
810-748-9MIMICHIGAN BELL TEL CO (AT&T)9323ALGONACHRISMIMNRSAN/APrefix Type: RBOC
Switch Name: HARSENS ISLAND
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
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