Rate Center Name: , State/Province:
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.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
423-658TNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS500/00/0000Prefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-658 is split into 1,000-number blocks - detail below
423-658-0XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS5N/APrefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-1XXXTNLEVEL 3 COMMUNICATIONS, LLC - TN (Lumen Technologies, Inc)0015338122RMD00061124806WHITWELLNOCLLIKNOWN10/20/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-2XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS5N/APrefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-3XXXTNONVOY, LLC - TN (Sinch)0004323028RMD0001966525EWHITWELLNOCLLIKNOWN03/28/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-4XXXTNELECTRIC POWER BOARD OF CHATTANOOGA0018540237RMD00035784645WHITWELLNOCLLIKNOWN10/25/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-5XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS5N/APrefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-6XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS5N/APrefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-7XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS5N/APrefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-8XXXTNCHARTER IP ENABLED SERVICES, LLCN/A792KWHITWELLNOCLLIKNOWN08/15/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-658-9XXXTNBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419WHITWELLWHWLTNMARS5N/APrefix Type: RBOC
Switch Name: N/A
Switch Type: Stromberg Carlson DCO RLS
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: WHWLTNMARS5))
🕘 Prefix History
🔎 Explore Carrier Information
423-815TNCOMCAST IP PHONE, LLC (Comcast Corporation)0008497687RMD0003552318JWHITWELLCHTGTNNSXRZ09/14/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: CHTGTNNSXRZ))
🕘 Prefix History
🔎 Explore Carrier Information
423-815 is split into 1,000-number blocks - detail below
423-815-0XXXTNCOMCAST IP PHONE, LLC (Comcast Corporation)0008497687RMD0003552318JWHITWELLCHTGTNNSXRZ09/17/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: CHTGTNNSXRZ))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-1XXXTNBANDWIDTH.COM CLEC, LLC - TN (Bandwidth Inc.)0017042060RMD0003709124FWHITWELLNOCLLIKNOWN05/29/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-2XXXTNLEVEL 3 COMMUNICATIONS, LLC - TN (Lumen Technologies, Inc)0015338122RMD00061124806WHITWELLNOCLLIKNOWN05/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-3XXXTNLEVEL 3 COMMUNICATIONS, LLC - TN (Lumen Technologies, Inc)0015338122RMD00061124806WHITWELLNOCLLIKNOWN05/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-4XXXTNAT&T ENTERPRISES, LLC (AT&T)0035146430RMD0022433516CWHITWELLNOCLLIKNOWN08/17/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-5XXXTNLEVEL 3 COMMUNICATIONS, LLC - TN (Lumen Technologies, Inc)0015338122RMD00061124806WHITWELLNOCLLIKNOWN04/16/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-6XXXTNONVOY, LLC - TN (Sinch)0004323028RMD0001966525EWHITWELLNOCLLIKNOWN03/04/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-7XXXTNCENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JWHITWELLNOCLLIKNOWN04/08/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-8XXXTNONVOY, LLC - TN (Sinch)0004323028RMD0001966525EWHITWELLNOCLLIKNOWN03/04/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-815-9XXXTNBANDWIDTH.COM CLEC, LLC - TN (Bandwidth Inc.)0017042060RMD0003709124FWHITWELLNOCLLIKNOWN10/29/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-955TNFRACTEL, LLC (FRACTEL, LLC)0018413799RMD0001775965HWHITWELLCHTGTNNSXPZ07/15/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: CHTGTNNSXPZ))
🕘 Prefix History
🔎 Explore Carrier Information
423-955 is split into 1,000-number blocks - detail below
423-955-0XXXTNTELNYX LLC (TELNYX LLC)0018998724RMD0001645073HWHITWELLNOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-955-1XXXTNONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HWHITWELLNOCLLIKNOWN05/18/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-955-2XXXTNONVOY, LLC - TN (Sinch)0004323028RMD0001966525EWHITWELLNOCLLIKNOWN06/11/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-955-3XXXTNONVOY, LLC - TN (Sinch)0004323028RMD0001966525EWHITWELLNOCLLIKNOWN06/11/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-955-5XXXTNFRACTEL, LLC (FRACTEL, LLC)0018413799RMD0001775965HWHITWELLCHTGTNNSXPZ07/16/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: CHTGTNNSXPZ))
🕘 Prefix History
🔎 Explore Carrier Information
423-955-6XXXTNONVOY, LLC - TN (Sinch)0004323028RMD0001966525EWHITWELLNOCLLIKNOWN02/16/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
423-955-9XXXTNTERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JWHITWELLNOCLLIKNOWN10/29/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Chattanooga TN (472)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
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
L'exactitude de ces renseignements n'est pas garantie. L'utilisateur assume l'entière responsabilité des pertes ou des gains découlant de l'utilisation de ces données.
Bien que je m'efforce d'assurer l'exactitude des informations et de les mettre à jour rapidement, des erreurs peuvent subsister. Si vous en voyez une, veuillez me la signaler.
Veuillez adresser vos commentaires, remarques, questions, suggestions et remerciements à Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2026, 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.