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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-459MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-688MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-808
410-808-0MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-1MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-2MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-3MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-4MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-5MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-6MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-7MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-8MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-808-9MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-877
410-877-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-6MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119FALLSTONNOCLLIKNOWN02/06/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-877-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212FALLSTONBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-937MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-243MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050FALLSTONBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-299
443-299-0MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050FALLSTONBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-1MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050FALLSTONBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD10/08/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-3MDTERRA NOVA TELECOM INC.145JFALLSTONNOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-4MDGLOBAL CROSSING LOCAL SERVICES, INC. - MD (CenturyLink, Inc)6050FALLSTONBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-6MDCOMCAST IP PHONE, LLC318JFALLSTONNOCLLIKNOWN02/11/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/06/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/06/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-299-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/06/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325FALLSTONBLTMMDFMDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-417
443-417-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD10/03/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-1MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119FALLSTONNOCLLIKNOWN08/01/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-2MDUS LEC OF MARYLAND, INC.2589FALLSTONCLMAMDJTDS003/07/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD10/03/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD08/06/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/02/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD02/05/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/11/2002Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD06/02/2003Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-417-9MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325FALLSTONBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910FALLSTONHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-504
443-504-0MDCAVALIER TELEPHONE MID-ATLANTIC, LLC - MD (Windstream Communications)3910FALLSTONHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-1MDCORE COMMUNICATIONS, INC.- MD2593FALLSTONNOCLLIKNOWN03/01/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD04/05/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD06/04/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD01/06/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD02/03/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-6MDBALTIMORE-WASHINGTON TELEPHONE (BWT)8697FALLSTONNOCLLIKNOWN05/18/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD03/03/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/08/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-504-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD09/07/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697FALLSTONBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-601
443-601-0MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697FALLSTONBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-2MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-3MDONVOY, LLC - MD (Inteliquent)876DFALLSTONNOCLLIKNOWN02/24/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-4MDONVOY, LLC - MD (Inteliquent)876DFALLSTONNOCLLIKNOWN02/24/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/26/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-6MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JFALLSTONBLTMMDDN2MD05/14/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-8MDTELNYX LLC073HFALLSTONNOCLLIKNOWN04/13/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-601-9MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN03/27/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD04/11/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-617
443-617-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD04/11/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD06/02/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-3MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD08/02/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD10/07/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/05/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-6MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/05/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-7MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD01/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-8MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD03/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-617-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD01/04/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-686
443-686-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD10/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD10/05/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD09/05/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-3MDARMSTRONG TELECOMMUNICATIONS, INC. - MD420CFALLSTONNOCLLIKNOWN08/11/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-4MDCORE COMMUNICATIONS, INC.- MD2593FALLSTONNOCLLIKNOWN07/12/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-6MDCORE COMMUNICATIONS, INC.- MD2593FALLSTONNOCLLIKNOWN06/10/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228FALLSTONBLTOMDKHDS012/09/2008Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-8MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN01/26/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-686-9MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-807
443-807-0MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-1MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-2MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40Z10/13/2003Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-3MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-4MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40Z02/15/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-5MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-6MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-7MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-8MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-807-9MDMETROPCS, INC. (T-Mobile US, Inc)5562FALLSTONBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD09/13/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-966
443-966-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD09/19/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD02/04/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-2MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD07/02/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-3MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN12/14/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-4MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD01/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-5MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD06/04/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-6MDONVOY, LLC - MD (Inteliquent)876DFALLSTONNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-7MDTWILIO INTERNATIONAL, INC.506JFALLSTONNOCLLIKNOWN11/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-8MDPEERLESS NETWORK OF MARYLAND, LLC568GFALLSTONNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-966-9MDPEERLESS NETWORK OF MARYLAND, LLC568GFALLSTONNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD11/21/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-981
443-981-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD11/23/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD01/05/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-2MDONVOY, LLC - MD (Inteliquent)876DFALLSTONNOCLLIKNOWN09/11/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-3MDCOMCAST IP PHONE, LLC318JFALLSTONNOCLLIKNOWN08/06/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-4MDTERRA NOVA TELECOM INC.145JFALLSTONNOCLLIKNOWN01/16/2024Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-7MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-8MDBANDWIDTH.COM CLEC, LLC - MD071FFALLSTONNOCLLIKNOWN02/07/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-981-9MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD05/05/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668MDONVOY SPECTRUM, LLC (Inteliquent)624HFALLSTONBLTMMDCHXUX04/26/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-668
667-668-0MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD12/03/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-1MDCELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD (Verizon Wireless)6395FALLSTONBLTOMDKHBMD02/18/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-2MDONVOY, LLC - MD (Inteliquent)876DFALLSTONNOCLLIKNOWN06/15/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-3MDONVOY, LLC - MD (Inteliquent)876DFALLSTONNOCLLIKNOWN06/15/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-4MDONVOY SPECTRUM, LLC (Inteliquent)624HFALLSTONBLTMMDCHXUX01/12/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-5MDONVOY SPECTRUM, LLC (Inteliquent)624HFALLSTONBLTMMDCHXUX01/12/2022Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-6MDONVOY SPECTRUM, LLC (Inteliquent)624HFALLSTONBLTMMDCHXUX04/27/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-668-7MDTON80 COMMUNICATIONS, LLC516JFALLSTONNOCLLIKNOWN05/19/2021Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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