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
206-636WAADVANCED TELECOM SOLUTIONS, LLC181JSEATTLESTTLWAWB09Z06/25/2018Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Seattle WA (674)
Tandem: N/A
Detailed Switch Info
Thousands block for 206-636
206-636-0WAADVANCED TELECOM SOLUTIONS, LLC181JSEATTLESTTLWAWB09Z06/26/2018Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Seattle WA (674)
Tandem: N/A
Detailed Switch Info