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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-364MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ELLICOTTCYCLMAMDNIDS100/00/0000Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-364
443-364-0MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ELLICOTTCYNOCLLIKNOWN07/30/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-1MDMETROPCS, INC. (T-Mobile US, Inc)5562ELLICOTTCYBLTMMDCHFMD04/05/2018Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-2MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN05/11/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-3MDONVOY, LLC - MD (Inteliquent)876DELLICOTTCYNOCLLIKNOWN02/06/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-4MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN06/26/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-5MDTELEPORT COMMUNICATIONS AMERICA, LLC - MD (AT&T)7325ELLICOTTCYCLMAMDNIDS1N/APrefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-6MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN01/30/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-7MDYMAX COMMUNICATIONS CORP. - MD (YMAX (a/k/a MagicJack))281EELLICOTTCYNOCLLIKNOWN01/30/2009Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-8MDBANDWIDTH.COM CLEC, LLC - MD071FELLICOTTCYNOCLLIKNOWN11/12/2008Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-364-9MDLEVEL 3 COMMUNICATIONS, LLC - MD (CenturyLink, Inc)6119ELLICOTTCYNOCLLIKNOWN07/17/2007Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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