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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-334MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229PIKESVILLEBLTMMDCDDS003/14/2001Prefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-334
443-334-0MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN03/04/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-1MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229PIKESVILLEBLTMMDCDDS0N/APrefix Type: CLEC
Switch Name: BALTIMORE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS109/26/2003Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212PIKESVILLEPIVLMDPKDS109/26/2003Prefix Type: RBOC
Switch Name: PIKESVILLE
Switch Type: Northern Telecom DMS10S
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-4MDPAETEC ITEL, LLC829JPIKESVILLECLMAMDJTDS002/10/2005Prefix Type: IPES
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-5MDCOMCAST IP PHONE, LLC (Comcast)318JPIKESVILLEBLTMMDCHXFX10/18/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-6MDBANDWIDTH.COM CLEC, LLC - MD071FPIKESVILLENOCLLIKNOWN08/09/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036PIKESVILLECLMAMDORGT009/26/2016Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-8MDLEVEL 3 COMMUNICATIONS, LLC - MD (Lumen Technologies, Inc)6119PIKESVILLENOCLLIKNOWN11/20/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-334-9MDCORE COMMUNICATIONS, INC.- MD2593PIKESVILLENOCLLIKNOWN04/05/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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