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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
227-222MDWIDE VOICE, LLC - MD530HWSNGTNZN16NOCLLIKNOWN10/17/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 227-222
227-222-2MDWIDE VOICE, LLC - MD530HWSNGTNZN16NOCLLIKNOWN10/17/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-222-3MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN12/18/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-222-4MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN12/18/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
227-222-7MDHD CARRIER LLC321JWSNGTNZN16NOCLLIKNOWN10/17/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN16LNHMMDADGT000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-244
240-244-0MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN08/04/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-1MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN02/06/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-2MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN05/18/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-3MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN08/17/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/21/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-5MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN01/09/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-6MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-7MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN09/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-8MDSTARPOWER COMMUNICATIONS, LLC - MD8832WSNGTNZN16LNHMMDADGT0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-244-9MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN11/17/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16SLSPMD91DS000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-269
240-269-0MDTERRA NOVA TELECOM INC.145JWSNGTNZN16NOCLLIKNOWN07/07/2023Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-1MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16SLSPMD91DS011/30/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-2MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN08/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN08/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN08/26/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN11/23/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN11/23/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN11/23/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-8MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN12/29/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-269-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16SLSPMD91DS0N/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN16HRNDVA13AMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-303
240-303-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN16HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-1MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN16HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-2MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN01/28/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-4MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN16HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-303-9MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910WSNGTNZN16HRNDVA13AMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16CLTNMDCLDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 16
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-318
240-318-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16CLTNMDCLDS0N/APrefix Type: RBOC
Switch Name: WASZ 16
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-1MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16NOCLLIKNOWN04/10/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-2MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN02/11/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-3MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN10/29/2009Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-4MDMETROPCS, INC. (T-Mobile US, Inc)5562WSNGTNZN16NOCLLIKNOWN05/23/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-5MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN08/15/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-6MDMETROPCS, INC. (T-Mobile US, Inc)5562WSNGTNZN16NOCLLIKNOWN01/12/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN02/12/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-8MDVDL, INC. DBA GLOBAL TELECOM BROKERS - MD4492WSNGTNZN16NOCLLIKNOWN02/24/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-318-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16NOCLLIKNOWN04/10/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16MCLNVA23DS400/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-348
240-348-0MDIP HORIZON LLC515JWSNGTNZN16NOCLLIKNOWN02/19/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-2MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN07/21/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-3MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN07/21/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-4MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN08/30/2010Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-5MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16MCLNVA23DS412/21/2011Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16MCLNVA23DS409/15/2011Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-7MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN06/25/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN02/12/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-348-9MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN16WASJDCDCDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-407
240-407-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN16WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-1MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/29/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16NOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN16WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-5MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/25/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-407-9MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050WSNGTNZN16WASJDCDCDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON DC
Switch Type: NORTEL DMS 500
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546MDUS LEC OF MARYLAND, INC.2589WSNGTNZN16TYCRVA03DS000/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-546
240-546-0MDUS LEC OF MARYLAND, INC.2589WSNGTNZN16TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-1MDUS LEC OF MARYLAND, INC.2589WSNGTNZN16TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-2MDUS LEC OF MARYLAND, INC.2589WSNGTNZN16TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-3MDUS LEC OF MARYLAND, INC.2589WSNGTNZN16TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-4MDUS LEC OF MARYLAND, INC.2589WSNGTNZN16TYCRVA03DS0N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-5MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/28/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-8MDIP HORIZON LLC515JWSNGTNZN16NOCLLIKNOWN05/02/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-546-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCCZDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-846
240-846-0MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-2MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-3MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN09/13/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN05/23/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-5MDCOMCAST IP PHONE, LLC318JWSNGTNZN16NOCLLIKNOWN09/05/2018Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-6MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCCZDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS10S
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-8MDIP HORIZON LLC515JWSNGTNZN16NOCLLIKNOWN05/02/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-846-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16MCLNVA23DS400/00/0000Prefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-897
240-897-0MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN12/29/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-1MDMETROPCS, INC. (T-Mobile US, Inc)5562WSNGTNZN16NOCLLIKNOWN11/23/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-2MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-3MDMETROPCS, INC. (T-Mobile US, Inc)5562WSNGTNZN16NOCLLIKNOWN11/23/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-5MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-8MDTELNYX LLC073HWSNGTNZN16NOCLLIKNOWN04/17/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-897-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16MCLNVA23DS4N/APrefix Type: CLEC
Switch Name: MCLEAN
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN16WASHDC12OMD05/09/2001Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-949
240-949-0MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN16WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-1MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/12/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16NOCLLIKNOWN12/20/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-3MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN16WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-4MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16NOCLLIKNOWN07/30/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-5MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN16WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16NOCLLIKNOWN12/20/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-7MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16NOCLLIKNOWN04/07/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-8MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN16WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-949-9MDCAVALIER EAST, LLC - MD (Windstream Communications)4820WSNGTNZN16WASHDC12OMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966MDTON80 COMMUNICATIONS, LLC516JWSNGTNZN16ARTNVAARXJY02/25/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 240-966
240-966-0MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN08/23/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-1MDBANDWIDTH.COM CLEC, LLC - MD071FWSNGTNZN16NOCLLIKNOWN08/23/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-2MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16NOCLLIKNOWN07/07/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16NOCLLIKNOWN07/07/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN09/15/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN09/15/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-6MDTON80 COMMUNICATIONS, LLC516JWSNGTNZN16ARTNVAARXJY02/25/2022Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16NOCLLIKNOWN06/05/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN07/12/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
240-966-9MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16NOCLLIKNOWN01/30/2023Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-234
301-234-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-1MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-2MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN10/11/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-3MDBROADVIEW NETWORKS OF VIRGINIA, INC. - VA (Windstream Holdings)5978WSNGTNZN16NOCLLIKNOWN09/07/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-5MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119WSNGTNZN16NOCLLIKNOWN05/06/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN08/20/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN08/20/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-234-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCINDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-235
301-235-0MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN02/26/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-1MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN02/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-2MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN05/10/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-3MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCINDS008/21/2015Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-5MDBARR TELL USA, INC.964HWSNGTNZN16NOCLLIKNOWN04/26/2018Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-6MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN04/22/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN02/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-235-9MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229WSNGTNZN16WASHDCINDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-238
301-238-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS011/21/2001Prefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS006/10/2004Prefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS0N/APrefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS0N/APrefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-4MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN16CHCHMDBE6MD01/21/2005Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-5MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN16CHCHMDBE6MD01/26/2007Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-8MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-9MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN04/22/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-297
301-297-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-297-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16ALTWMDATDS0N/APrefix Type: RBOC
Switch Name: WASZ 6
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS000/00/0000Prefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-372
301-372-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-4MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-5MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697WSNGTNZN16NOCLLIKNOWN06/07/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JWSNGTNZN16WASIDCRG7MD05/27/2014Prefix Type: IPES
Switch Name: WSHNGTNZN1
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BRNDMDBERS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-372-9MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN04/22/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN16WASHDCTTDS000/00/0000Prefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-719
301-719-0MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-1MDTELEPORT COMMUNICATIONS AMERICA, LLC - DC (AT&T)7529WSNGTNZN16WASHDCTTDS0N/APrefix Type: CLEC
Switch Name: WASHINGTON
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-2MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/31/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN03/31/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-4MDONVOY SPECTRUM, LLC (Inteliquent)624HWSNGTNZN16NOCLLIKNOWN04/22/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-5MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16NOCLLIKNOWN03/17/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-7MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-8MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN10/11/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-719-9MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-856MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16CLTNMDCLDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 16
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-868MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16CLTNMDCLDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 16
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-877MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16CLTNMDCLDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 16
Switch Type: WECO 5ESS (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BADNMDBNRS000/00/0000Prefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-888
301-888-0MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN07/07/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BADNMDBNRS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BADNMDBNRS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-3MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN07/18/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-4MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN07/18/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-5MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN10/10/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-6MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN10/10/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-7MDONVOY, LLC - MD (Inteliquent)876DWSNGTNZN16NOCLLIKNOWN07/18/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-8MDPEERLESS NETWORK OF MARYLAND, LLC568GWSNGTNZN16NOCLLIKNOWN03/09/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-888-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16BADNMDBNRS0N/APrefix Type: RBOC
Switch Name: BRANDYWINE
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: N/A
Tandem: N/A
Detailed Switch Info
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