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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-991MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395TOWSONBLTOMDKHBMD12/01/2011Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-991
443-991-0MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395TOWSONBLTOMDKHBMD10/23/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-1MDMETROPCS, INC. (T-Mobile US, Inc)5562TOWSONNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-2MDMETROPCS, INC. (T-Mobile US, Inc)5562TOWSONNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-3MDMETROPCS, INC. (T-Mobile US, Inc)5562TOWSONNOCLLIKNOWN05/22/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-4MDCOMCAST IP PHONE, LLC318JTOWSONNOCLLIKNOWN01/31/2014Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-5MDCOMCAST IP PHONE, LLC318JTOWSONNOCLLIKNOWN04/02/2015Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-6MDMETROPCS, INC. (T-Mobile US, Inc)5562TOWSONNOCLLIKNOWN07/02/2013Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-7MDLEVEL 3 COMMUNICATIONS, LLC - (CenturyLink, Inc)6119TOWSONNOCLLIKNOWN02/03/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-8MDONVOY, LLC - MD (Inteliquent)876DTOWSONNOCLLIKNOWN02/06/2012Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-991-9MDCELLCO PARTNERSHIP DBA VERIZON (Verizon Wireless)6395TOWSONBLTOMDKHBMD06/25/2012Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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