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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-378MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BALTIMOREBLTMMDCH40Z07/27/2004Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-378
443-378-0MDOMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (T-Mobile US, Inc)6855BALTIMOREBLTMMDCH40Z06/29/2005Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-1MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT012/14/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-2MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT012/14/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-3MDUS LEC OF MARYLAND, INC.2589BALTIMORECLMAMDJTDS001/13/2006Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BALTIMOREBLTMMDCHDS201/17/2006Prefix Type: RBOC
Switch Name: BALTIMORE
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229BALTIMOREBLTMMDSN5MD08/19/2004Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BALTIMORECLMAMDORGT012/14/2023Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-7MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229BALTIMOREBLTMMDSN5MD08/19/2004Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-8MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC7229BALTIMOREBLTMMDSN5MD08/19/2004Prefix Type: CLEC
Switch Name: BRYNPKLNCM
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-378-9MDONVOY, LLC - MD (Inteliquent)876DBALTIMORENOCLLIKNOWN01/29/2024Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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