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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
203-245CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS000/00/0000Prefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS000/00/0000Prefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
Thousands block for 203-318
203-318-0CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318-1CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318-2CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318-3CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318-4CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN02/18/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-318-5CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318-6CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN09/15/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-318-7CTMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229MADISONHRFRCTASDS010/26/2011Prefix Type: CLEC
Switch Name: HARTFORD
Switch Type: Northern Telecom DMS100/200 Digital Host
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-318-8CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT01RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT01RS0
Detailed Switch Info
203-318-9CTPEERLESS NETWORK OF CONNECTICUT, LLC - CT539FMADISONNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350CTTELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)7143MADISONHRFRCTCRDS000/00/0000Prefix Type: CLEC
Switch Name: CONNECTICUT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
Thousands block for 203-350
203-350-0CTLEVEL 3 COMMUNICATIONS, LLC - CT (CenturyLink, Inc)4800MADISONNOCLLIKNOWN05/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-1CTTELEPORT COMMUNICATIONS AMERICA, LLC - CT (AT&T)7143MADISONHRFRCTCRDS0N/APrefix Type: CLEC
Switch Name: CONNECTICUT
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-2CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN01/27/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-3CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN06/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-4CTCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JMADISONNWLNCTCS6MD03/13/2014Prefix Type: IPES
Switch Name: STAMFORD
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-5CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONNWHNCT02GT008/10/2007Prefix Type: ICO
Switch Name: NEW HAVEN
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-6CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN07/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-7CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN06/05/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-8CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN06/02/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-350-9CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN10/30/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-421CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS000/00/0000Prefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
Thousands block for 203-421
203-421-0CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-1CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-2CTCOMCAST IP PHONE, LLC318JMADISONNOCLLIKNOWN08/04/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-421-3CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-4CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-5CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-6CTCOMCAST IP PHONE, LLC318JMADISONNOCLLIKNOWN09/03/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-421-7CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-8CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-421-9CTSOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT9147MADISONMDSNCT02RS0N/APrefix Type: ICO
Switch Name: Madison
Switch Type: Siemens EWSD RSU-DE5
LATA: Connecticut (920)
Tandem: MDSNCT02RS0
Detailed Switch Info
203-779CTCHOICE ONE COMMUNICATIONS, INC. - CT (Windstream Holdings)2706MADISONHRFRCT0370Z00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
Thousands block for 203-779
203-779-0CTCHOICE ONE COMMUNICATIONS, INC. - CT (Windstream Holdings)2706MADISONHRFRCT0370ZN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-1CTCHOICE ONE COMMUNICATIONS, INC. - CT (Windstream Holdings)2706MADISONHRFRCT0370ZN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-2CTCHOICE ONE COMMUNICATIONS, INC. - CT (Windstream Holdings)2706MADISONHRFRCT0370ZN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-3CTCHOICE ONE COMMUNICATIONS, INC. - CT (Windstream Holdings)2706MADISONHRFRCT0370ZN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-4CTCHOICE ONE COMMUNICATIONS, INC. - CT (Windstream Holdings)2706MADISONHRFRCT0370ZN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-5CTCOMCAST IP PHONE, LLC318JMADISONNOCLLIKNOWN11/22/2004Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-6CTLEVEL 3 COMMUNICATIONS, LLC - CT (CenturyLink, Inc)4800MADISONNOCLLIKNOWN05/05/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-7CTLEVEL 3 COMMUNICATIONS, LLC - CT (CenturyLink, Inc)4800MADISONNOCLLIKNOWN05/30/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-8CTPAETEC COMMUNICATIONS, LLC - CT (Windstream Communications)3083MADISONSMFRCTATXMD03/18/2009Prefix Type: CLEC
Switch Name: STAMFORD
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-779-9CTMETROPCS, INC. (T-Mobile US, Inc)5562MADISONNOCLLIKNOWN11/25/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896CTGLOBAL CROSSING LOCAL SERVICES, INC. - CT (CenturyLink, Inc)3493MADISONSMFRCTQI9MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
Thousands block for 203-896
203-896-0CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN06/02/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-1CTCTC COMMUNICATIONS CORP. - CT (Windstream Holdings)3863MADISONNOCLLIKNOWN08/29/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-2CTTWILIO INTERNATIONAL, INC.506JMADISONNOCLLIKNOWN03/02/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-4CTPEERLESS NETWORK OF CONNECTICUT, LLC - CT539FMADISONNOCLLIKNOWN09/25/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-5CTPEERLESS NETWORK OF CONNECTICUT, LLC - CT539FMADISONNOCLLIKNOWN02/22/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-6CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN09/08/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-7CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONNOCLLIKNOWN08/08/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-8CTPEERLESS NETWORK OF CONNECTICUT, LLC - CT539FMADISONNOCLLIKNOWN04/05/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
203-896-9CTGLOBAL CROSSING LOCAL SERVICES, INC. - CT (CenturyLink, Inc)3493MADISONSMFRCTQI9MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466CTTON80 COMMUNICATIONS, LLC516JMADISONHRFRCT03XSX01/13/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
Thousands block for 475-466
475-466-0CTIP HORIZON LLC515JMADISONNOCLLIKNOWN07/07/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-1CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN09/15/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-2CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN09/15/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-3CTTON80 COMMUNICATIONS, LLC516JMADISONHRFRCT03XSX01/13/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-4CTONVOY SPECTRUM, LLC (Inteliquent)624HMADISONNOCLLIKNOWN01/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-5CTONVOY SPECTRUM, LLC (Inteliquent)624HMADISONNOCLLIKNOWN01/24/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-6CTTERRA NOVA TELECOM INC.145JMADISONNOCLLIKNOWN07/07/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-7CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN09/15/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-8CTPEERLESS NETWORK OF CONNECTICUT, LLC - CT539FMADISONNOCLLIKNOWN08/09/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-466-9CTPEERLESS NETWORK OF CONNECTICUT, LLC - CT539FMADISONNOCLLIKNOWN02/25/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONHRFRCT0379Z04/23/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
Thousands block for 475-522
475-522-0CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONHRFRCT0379Z04/24/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-1CTBANDWIDTH.COM CLEC, LLC - CT199FMADISONHRFRCT0379Z04/24/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-2CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN07/11/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-3CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN06/05/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-4CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN02/02/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-5CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN02/02/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-6CTCOMCAST IP PHONE, LLC318JMADISONNOCLLIKNOWN08/23/2019Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-7CTONVOY SPECTRUM, LLC (Inteliquent)624HMADISONNOCLLIKNOWN02/10/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-8CTTELNYX LLC073HMADISONNOCLLIKNOWN04/20/2018Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
475-522-9CTONVOY, LLC - CT (Inteliquent)639CMADISONNOCLLIKNOWN05/06/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Connecticut (920)
Tandem: N/A
Detailed Switch Info
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