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npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
608-370WIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM405/11/2001Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370 is split into 1,000-number blocks - detail below
608-370-0XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM403/07/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-1XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM410/01/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-2XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM410/01/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-3XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM410/01/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-4XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM410/01/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-5XXXWILEVEL 3 COMMUNICATIONS, LLC - WI (Lumen Technologies, Inc)0015338122RMD00061125489SAUK CITYNOCLLIKNOWN07/24/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-6XXXWICHARTER IP ENABLED SERVICES, LLCN/AN/A792KSAUK CITYNOCLLIKNOWN12/22/2004Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-7XXXWITDS METROCOM, LLC (Telephone and Data Systems, Inc.)0003767639RMD0003425520KSAUK CITYMDSNWIGJGT012/12/2005Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-8XXXWICHARTER IP ENABLED SERVICES, LLCN/AN/A792KSAUK CITYNOCLLIKNOWN07/27/2012Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-370-9XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM407/01/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460WIMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SAUK CITYMDSNWI11X1X08/23/2016Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460 is split into 1,000-number blocks - detail below
608-460-0XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM410/05/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-1XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CSAUK CITYNOCLLIKNOWN12/16/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-2XXXWITDS METROCOM, LLC (Telephone and Data Systems, Inc.)0003767639RMD0003425520KSAUK CITYMDSNWIGJGT002/22/2019Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-3XXXWIMCIMETRO ACCESS TRANSMISSION SERVICES LLC (Verizon Communications)0004999405RMD00029577229SAUK CITYMDSNWI11X1X08/24/2016Prefix Type: CLEC
Switch Name: MADISON
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-4XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CSAUK CITYNOCLLIKNOWN04/07/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-5XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CSAUK CITYNOCLLIKNOWN12/16/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-6XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CSAUK CITYNOCLLIKNOWN12/16/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-7XXXWICHARTER IP ENABLED SERVICES, LLCN/AN/A792KSAUK CITYNOCLLIKNOWN09/07/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-8XXXWIONVOY, LLC - WI (Sinch)0004323028RMD0001966225CSAUK CITYNOCLLIKNOWN12/16/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-460-9XXXWIMETROPCS, INC. (T-Mobile US, Inc)N/AN/A5562SAUK CITYNOCLLIKNOWN02/28/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-643WIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS000/00/0000Prefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643 is split into 1,000-number blocks - detail below
608-643-0XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-1XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-2XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-3XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-4XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-5XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-6XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-7XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-8XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-643-9XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM407/02/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-644WIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS000/00/0000Prefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-644 is split into 1,000-number blocks - detail below
608-644-0XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-644-1XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-644-2XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-644-3XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-644-4XXXWITELEPORT COMMUNICATIONS AMERICA, LLC WI (AT&T)0004274114RMD00038977216SAUK CITYNOCLLIKNOWN02/23/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-644-5XXXWILEVEL 3 COMMUNICATIONS, LLC - WI (Lumen Technologies, Inc)0015338122RMD00061125489SAUK CITYNOCLLIKNOWN01/10/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-644-6XXXWIUNITED STATES CELLULAR - WIN/AN/A6274SAUK CITYMDSNWIPUCM408/02/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-644-7XXXWICENTURYLINK COMMUNICATIONS, LLC (Lumen Technologies, Inc)0031422439RMD0006976508JSAUK CITYNOCLLIKNOWN11/25/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-644-8XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-644-9XXXWIFRONTIER NORTH INC. - WI (Verizon Communications)N/AN/A0886SAUK CITYSKCYWIXADS0N/APrefix Type: ICO
Switch Name: SAUK CITY
Switch Type: GTD5EAX
LATA: southwestern WI (354)
Tandem: DGVLWIXA31T
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608-918WIONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HSAUK CITYDGVLWIXAOMD05/02/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: DGVLWIXAOMD))
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608-918 is split into 1,000-number blocks - detail below
608-918-0XXXWIT-MOBILE USA, INC. (T-Mobile US, Inc)0017078262RMD00190516529SAUK CITYNOCLLIKNOWN01/23/2025Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-918-1XXXWIBANDWIDTH.COM CLEC, LLC - WI (Bandwidth Inc.)0017042060RMD0003709007FSAUK CITYNOCLLIKNOWN11/20/2025Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
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608-918-9XXXWIONVOY SPECTRUM, LLC (Sinch AB)0024415002RMD0002045624HSAUK CITYDGVLWIXAOMD05/03/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: southwestern WI (354)
Tandem: N/A
🔧 Explore Switch(CLLI: DGVLWIXAOMD))
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