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
781-315MARCN TELECOM SERVICES, INC. - MA7619READINGSTHMMAGBGT005/30/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info
Thousands block for 781-315
781-315-8MARCN TELECOM SERVICES, INC. - MA7619READINGSTHMMAGBGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: eastern MA (128)
Tandem: N/A
Detailed Switch Info