Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.
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