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
608-296WIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886WESTFIELDWSFDWIXARS000/00/0000Prefix Type: ICO
Switch Name: WESTFIELD
Switch Type: AE-RSU
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
🔧 Explore Switch(CLLI: WSFDWIXARS0))
🕘 Prefix History
🔎 Explore Carrier Information
608-296 is split into 1,000-number blocks - detail below
608-296-0XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CWESTFIELDNOCLLIKNOWN06/25/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-1XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886WESTFIELDWSFDWIXARS0N/APrefix Type: ICO
Switch Name: WESTFIELD
Switch Type: AE-RSU
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
🔧 Explore Switch(CLLI: WSFDWIXARS0))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-2XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886WESTFIELDWSFDWIXARS0N/APrefix Type: ICO
Switch Name: WESTFIELD
Switch Type: AE-RSU
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
🔧 Explore Switch(CLLI: WSFDWIXARS0))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-3XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886WESTFIELDWSFDWIXARS0N/APrefix Type: ICO
Switch Name: WESTFIELD
Switch Type: AE-RSU
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
🔧 Explore Switch(CLLI: WSFDWIXARS0))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-4XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886WESTFIELDWSFDWIXARS0N/APrefix Type: ICO
Switch Name: WESTFIELD
Switch Type: AE-RSU
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
🔧 Explore Switch(CLLI: WSFDWIXARS0))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-5XXXWIMARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC. - WI (MARQUETTE-ADAMS TEL. COOP., INC.)0003774023RMD0002385408GWESTFIELDNOCLLIKNOWN05/09/2011Prefix Type: ICO
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-6XXXWIMARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC. - WI (MARQUETTE-ADAMS TEL. COOP., INC.)0003774023RMD0002385408GWESTFIELDNOCLLIKNOWN05/09/2011Prefix Type: ICO
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-7XXXWICHARTER IP ENABLED SERVICES, LLCN/AN/A792KWESTFIELDNOCLLIKNOWN04/03/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-8XXXWIMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229WESTFIELDMDSNWI11X1X03/21/2016Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWI11X1X))
🕘 Prefix History
🔎 Explore Carrier Information
608-296-9XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CWESTFIELDNOCLLIKNOWN11/17/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-369WIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM400/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369 is split into 1,000-number blocks - detail below
608-369-0XXXWIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM4N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369-1XXXWIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM4N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369-2XXXWIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM4N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369-3XXXWIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM4N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369-4XXXWIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM408/26/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369-5XXXWIUNITED STATES CELLULAR - WIN/AN/A6274WESTFIELDMDSNWIPUCM406/03/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWIPUCM4))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-369-6XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CWESTFIELDNOCLLIKNOWN04/07/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-369-7XXXWICENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JWESTFIELDNOCLLIKNOWN11/24/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-369-8XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CWESTFIELDNOCLLIKNOWN03/08/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-369-9XXXWITERRA NOVA TELECOM INC. (TERRA NOVA TELECOM INC.)0021193057RMD0001495145JWESTFIELDNOCLLIKNOWN07/31/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-508WITELEPORT COMMUNICATIONS AMERICA, LLC WI (AT&T)0004274114RMD00038977216WESTFIELDMDSNWI02ZMD01/08/2022Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWI02ZMD))
🕘 Prefix History
🔎 Explore Carrier Information
608-508 is split into 1,000-number blocks - detail below
608-508-0XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CWESTFIELDNOCLLIKNOWN06/30/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-508-1XXXWIMETROPCS, INC. (T-Mobile US, Inc)N/AN/A5562WESTFIELDNOCLLIKNOWN02/28/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-508-2XXXWIONVOY SPECTRUM, LLC (Sinch US Holding, Inc.)0024415002RMD0002045624HWESTFIELDNOCLLIKNOWN05/02/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-508-5XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CWESTFIELDNOCLLIKNOWN02/02/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-508-6XXXWITELEPORT COMMUNICATIONS AMERICA, LLC WI (AT&T)0004274114RMD00038977216WESTFIELDMDSNWI02ZMD01/10/2022Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: MDSNWI02ZMD))
🕘 Prefix History
🔎 Explore Carrier Information
608-508-7XXXWILEVEL 3 COMMUNICATIONS, LLC - WI (Lumen Technologies, Inc)0015338122RMD00061125489WESTFIELDNOCLLIKNOWN12/27/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
608-508-8XXXWIT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529WESTFIELDNOCLLIKNOWN01/27/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: NOCLLIKNOWN))
🕘 Prefix History
🔎 Explore Carrier Information
📡 Find related FCC/ISED radio licenses
608-508-9XXXWIBANDWIDTH.COM CLEC, LLC - WI (Bandwidth Inc.)0017042060RMD0003709007FWESTFIELDNOCLLIKNOWN11/20/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
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.