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
636-337MOSOUTHWESTERN BELL9533DE SOTODESTMOGIRS000/00/0000Prefix Type: RBOC
Switch Name: FESTUS
Switch Type: Northern Telecom Remote Switching Center
LATA: St.Louis MO (520)
Tandem: STLSMO0501T
Detailed Switch Info
Thousands block for 636-337
636-337-0MOSOUTHWESTERN BELL9533DE SOTODESTMOGIRS0N/APrefix Type: RBOC
Switch Name: FESTUS
Switch Type: Northern Telecom Remote Switching Center
LATA: St.Louis MO (520)
Tandem: STLSMO0501T
Detailed Switch Info
636-337-1MOSOUTHWESTERN BELL9533DE SOTODESTMOGIRS0N/APrefix Type: RBOC
Switch Name: FESTUS
Switch Type: Northern Telecom Remote Switching Center
LATA: St.Louis MO (520)
Tandem: STLSMO0501T
Detailed Switch Info
636-337-7MOSOUTHWESTERN BELL9533DE SOTODESTMOGIRS0N/APrefix Type: RBOC
Switch Name: FESTUS
Switch Type: Northern Telecom Remote Switching Center
LATA: St.Louis MO (520)
Tandem: STLSMO0501T
Detailed Switch Info
636-337-8MOSOUTHWESTERN BELL9533DE SOTODESTMOGIRS0N/APrefix Type: RBOC
Switch Name: FESTUS
Switch Type: Northern Telecom Remote Switching Center
LATA: St.Louis MO (520)
Tandem: STLSMO0501T
Detailed Switch Info
636-586MOSOUTHWESTERN BELL9533DE SOTODESTMOGIRS000/00/0000Prefix Type: RBOC
Switch Name: FESTUS
Switch Type: Northern Telecom Remote Switching Center
LATA: St.Louis MO (520)
Tandem: STLSMO0501T
Detailed Switch Info
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2023, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.