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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-322MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS000/00/0000Prefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-399
410-399-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-3MDATX TELECOMMUNICATIONS SERVICE1958BEL AIRNOCLLIKNOWN02/27/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-5MDBALTIMORE-WASHINGTON TELEPHONE8697BEL AIRNOCLLIKNOWN05/12/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-399-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRDRTNMDDRRS0N/APrefix Type: RBOC
Switch Name: DARLINGTON
Switch Type: WECO 5ESS Remote (5A RSM)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix 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 410-420
410-420-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-4MDVDL, INC. DBA GLOBAL TELECOM B4492BEL AIRNOCLLIKNOWN01/21/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-5MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN05/11/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-420-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix 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 410-588
410-588-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-6MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z05/12/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-7MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z05/12/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-588-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/23/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-638MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-652MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325BEL AIRBLTMMDFMDS000/00/0000Prefix 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 410-776
410-776-0MDQUANTUM TELECOMMUNICATIONS, IN2596BEL AIRNOCLLIKNOWN10/22/2003Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/16/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-2MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325BEL AIRBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-3MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN02/10/2005Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-4MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/16/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-5MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/16/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-6MDTELEPORT COMMUNICATIONS AMERIC (AT&T)7325BEL AIRBLTMMDFMDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-7MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697BEL AIRNOCLLIKNOWN03/09/2005Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/16/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-776-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/16/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-809
410-809-0MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-1MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-2MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BEL AIRBLTOMDKHDS004/08/2005Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-3MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-4MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-5MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS005/11/2005Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-7MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-8MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-809-9MDCAVALIER TELEPHONE, LLC (MID-A (Windstream Communications)7944BEL AIRBLARMDBL1MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-836MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
410-838MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BEL AIRBLTOMDXIDS000/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-307
443-307-0MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BEL AIRBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT001/19/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-2MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BEL AIRBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT001/19/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-4MDGLOBAL CROSSING LOCAL SERVICES (CenturyLink, Inc)6050BEL AIRBLTOMDXIDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z11/11/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z09/08/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z09/08/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-8MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRNOCLLIKNOWNN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-307-9MDTERRA NOVA TELECOM INC.145JBEL AIRNOCLLIKNOWN09/07/2022Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-356
443-356-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT006/24/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-6MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN05/28/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT006/24/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z09/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-356-9MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z09/29/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-369MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91DS000/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-371
443-371-0MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MD02/24/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z01/07/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-2MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN09/06/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-3MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN11/02/2010Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-4MDPAETEC COMMUNICATIONS, INC. - (Windstream Communications)4716BEL AIRBLTMMDCHW2903/13/2006Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-6MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN09/10/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-7MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN09/10/2007Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-8MDTERRA NOVA TELECOM INC.145JBEL AIRNOCLLIKNOWN08/26/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-371-9MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MD01/22/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-528
443-528-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-2MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-3MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-4MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-528-9MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-567
443-567-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-4MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRBLTMMDSN6MDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-5MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN07/25/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-6MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN07/25/2006Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-7MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BEL AIRBLTOMDKHDS004/05/2012Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-567-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT002/10/2004Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BEL AIRHNVAMDBHAMD00/00/0000Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-616
443-616-0MDCAVALIER TELEPHONE MID-ATLANTI (Windstream Communications)3910BEL AIRHNVAMDBHAMDN/APrefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z02/13/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-2MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119BEL AIRNOCLLIKNOWN01/30/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-3MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN12/22/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-4MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/26/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-5MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/26/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-6MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/26/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-7MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/26/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/26/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-616-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/26/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD06/05/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-619
443-619-0MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD06/11/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-1MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD03/04/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-2MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD10/06/2010Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-3MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD01/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-4MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD04/04/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z03/07/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z03/07/2011Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-7MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN06/07/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD06/24/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-619-9MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD02/02/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640MDUS LEC OF MARYLAND, INC.2589BEL AIRCLMAMDJTDS005/18/2001Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-640
443-640-0MDUS LEC OF MARYLAND, INC.2589BEL AIRCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-1MDUS LEC OF MARYLAND, INC.2589BEL AIRCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-2MDUS LEC OF MARYLAND, INC.2589BEL AIRCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-3MDUS LEC OF MARYLAND, INC.2589BEL AIRCLMAMDJTDS0N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-4MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN04/18/2008Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-5MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD01/05/2009Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-6MDARMSTRONG TELECOMMUNICATIONS, 420CBEL AIRNOCLLIKNOWN08/11/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT001/24/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z03/24/2008Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-640-9MDTELNYX LLC073HBEL AIRNOCLLIKNOWN02/05/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix 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 443-643
443-643-0MDPEERLESS NETWORK OF MARYLAND, 568GBEL AIRNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-9MDPEERLESS NETWORK OF MARYLAND, 568GBEL AIRNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT000/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-655
443-655-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/11/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-655-9MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/11/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD10/17/2001Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-752
443-752-0MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD02/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-1MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD03/09/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-2MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD09/06/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-3MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD12/15/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-4MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD05/17/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-5MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD08/02/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-6MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD08/02/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-7MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD08/02/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD11/28/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-752-9MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD12/27/2007Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697BEL AIRBLTMMDCH14Z00/00/0000Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-787
443-787-0MDTERRA NOVA TELECOM INC.145JBEL AIRNOCLLIKNOWN12/30/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-1MDCTC COMMUNICATIONS CORP. - MD (Windstream Holdings)2697BEL AIRBLTMMDCH14ZN/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-2MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z01/07/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-3MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN08/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-4MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN08/21/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT010/27/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-6MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z11/13/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-7MDCENTURYLINK COMMUNICATIONS, LL (CenturyLink, Inc)508JBEL AIRBLTMMDDN2MD03/06/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/10/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-787-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z11/13/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z01/21/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-819
443-819-0MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN05/06/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-1MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN07/15/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-2MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN07/15/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-3MDCOMCAST IP PHONE, LLC318JBEL AIRNOCLLIKNOWN08/19/2016Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT007/22/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT011/11/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-6MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/09/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-7MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/09/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z01/26/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-819-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z01/26/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z07/02/2002Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-866
443-866-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-2MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-3MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-4MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-866-9MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40ZN/APrefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z00/00/0000Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-876
443-876-0MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z07/06/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-1MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z07/06/2010Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-2MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z06/26/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-3MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z07/17/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-4MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z01/03/2006Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-5MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z09/14/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-6MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z02/13/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-7MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z02/13/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-8MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z06/26/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-876-9MDSPRINT SPECTRUM, L.P. (T-Mobile US, Inc)6664BEL AIRBLTMMDCH40Z06/26/2007Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD09/07/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-903
443-903-0MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD09/09/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-1MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD06/17/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-2MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN09/12/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-3MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN12/22/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-4MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD06/01/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-5MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z02/25/2014Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT011/15/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT011/15/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD01/07/2014Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-903-9MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD05/04/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT004/20/2001Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-910
443-910-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-1MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-6MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-7MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-8MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT0N/APrefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-910-9MDLOCAL ACCESS LLC - MD082HBEL AIRNOCLLIKNOWN08/12/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD00/00/0000Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-987
443-987-0MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD04/02/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-1MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD07/03/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-2MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT004/13/2005Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-3MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD12/09/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-4MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD09/03/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-5MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD09/03/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-6MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-7MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD03/05/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD06/03/2008Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-987-9MDONVOY SPECTRUM, LLC (Inteliquent)624HBEL AIRNOCLLIKNOWN12/16/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD11/17/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-201
667-201-0MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD11/18/2015Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-1MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD05/05/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-2MDLOCAL ACCESS LLC - MD082HBEL AIRNOCLLIKNOWN09/15/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-3MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT010/17/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-4MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/26/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-5MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN04/30/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-6MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN05/22/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-7MDTELNYX LLC073HBEL AIRNOCLLIKNOWN03/02/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-8MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395BEL AIRBLTOMDKHBMD04/19/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-201-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z06/16/2016Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BEL AIRBLTOMDKHDS001/27/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-276
667-276-0MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT006/22/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-1MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z09/10/2021Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-2MDTWILIO INTERNATIONAL, INC.506JBEL AIRNOCLLIKNOWN11/25/2020Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-3MDMCIMETRO ACCESS TRANSMISSION S (Verizon Communications)7228BEL AIRBLTOMDKHDS001/28/2020Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-4MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN12/22/2020Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-6MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-7MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-8MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN02/03/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-276-9MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN04/12/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRBLTMMDCH45Z04/13/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-315
667-315-0MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRBLTMMDCH45Z04/13/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-1MDCOMMIO, LLC939HBEL AIRNOCLLIKNOWN09/14/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-2MDONVOY SPECTRUM, LLC (Inteliquent)624HBEL AIRNOCLLIKNOWN12/16/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-3MDONVOY SPECTRUM, LLC (Inteliquent)624HBEL AIRNOCLLIKNOWN04/23/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-4MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-5MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-6MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN08/24/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-7MDCOMMIO, LLC939HBEL AIRNOCLLIKNOWN09/14/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-8MDCOMMIO, LLC939HBEL AIRNOCLLIKNOWN09/14/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-315-9MDCOMMIO, LLC939HBEL AIRNOCLLIKNOWN09/14/2021Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT006/01/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-336
667-336-0MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT006/04/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-1MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT006/04/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-2MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-3MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-4MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-5MDNEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless)4036BEL AIRCLMAMDORGT008/28/2019Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-6MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-7MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT004/16/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-8MDCORE COMMUNICATIONS, INC.- MD2593BEL AIRBLTMMD91GT006/04/2018Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-336-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z12/20/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925MDCORETEL MARYLAND, INC. - MD469JBEL AIRBLTQMD01DS009/23/2021Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 667-925
667-925-0MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN08/22/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-1MDBANDWIDTH.COM CLEC, LLC - MD071FBEL AIRNOCLLIKNOWN08/22/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-4MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/30/2022Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-5MDCORETEL MARYLAND, INC. - MD469JBEL AIRBLTQMD01DS009/23/2021Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-6MDONVOY, LLC - MD (Inteliquent)876DBEL AIRNOCLLIKNOWN03/28/2022Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-7MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/30/2022Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-8MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/30/2022Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
667-925-9MDOMNIPOINT COMMUNICATIONS CAP O (T-Mobile US, Inc)6855BEL AIRBLTMMDCH40Z08/30/2022Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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