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
810-387MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695YALEYALEMIXGDS200/00/0000Prefix Type: ICO
Switch Name: YALE
Switch Type: NTDMSSSO
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
Thousands block for 810-387
810-387-0MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695YALEYALEMIXGDS2N/APrefix Type: ICO
Switch Name: YALE
Switch Type: NTDMSSSO
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
810-387-2MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695YALEYALEMIXGDS2N/APrefix Type: ICO
Switch Name: YALE
Switch Type: NTDMSSSO
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
810-387-3MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695YALEYALEMIXGDS2N/APrefix Type: ICO
Switch Name: YALE
Switch Type: NTDMSSSO
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
810-387-4MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695YALEYALEMIXGDS2N/APrefix Type: ICO
Switch Name: YALE
Switch Type: NTDMSSSO
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
Detailed Switch Info
810-387-9MIFRONTIER NORTH, INC. - MI (Frontier Communications)0695YALEYALEMIXGDS2N/APrefix Type: ICO
Switch Name: YALE
Switch Type: NTDMSSSO
LATA: Detroit MI (340)
Tandem: TROYMIMN55T
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.