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
248-391MIMICHIGAN BELL TEL CO (AT&T)9323PONTIACPNTCMINRRS000/00/0000Prefix Type: RBOC
Switch Name: PONTIAC NR RS0
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
248-393MIMICHIGAN BELL TEL CO (AT&T)9323PONTIACPNTCMINRRS000/00/0000Prefix Type: RBOC
Switch Name: PONTIAC NR RS0
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
248-394MIMICHIGAN BELL TEL CO (AT&T)9323CLARKSTONPNTCMINRRS000/00/0000Prefix Type: RBOC
Switch Name: PONTIAC NR RS0
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
Thousands block for 248-394
248-394-0MIMICHIGAN BELL TEL CO (AT&T)9323CLARKSTONPNTCMINRRS0N/APrefix Type: RBOC
Switch Name: PONTIAC NR RS0
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
248-394-1MIMICHIGAN BELL TEL CO (AT&T)9323CLARKSTONPNTCMINRRS0N/APrefix Type: RBOC
Switch Name: PONTIAC NR RS0
Switch Type: N/A
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info