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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-734MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDONDS000/00/0000Prefix Type: RBOC
Switch Name: ODENTON
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-734
443-734-0MDIP HORIZON LLC515JSEVERNNOCLLIKNOWN08/12/2013Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-1MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN08/08/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-2MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN02/10/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-3MDONVOY, LLC - MD (Inteliquent)876DSEVERNNOCLLIKNOWN12/23/2015Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT003/05/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-5MDMETROPCS, INC. (T-Mobile US, Inc)5562SEVERNNOCLLIKNOWN02/17/2015Prefix Type: PCS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT010/17/2018Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT005/01/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036SEVERNCLMAMDORGT005/01/2017Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-734-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212SEVERNODTNMDONDS0N/APrefix Type: RBOC
Switch Name: ODENTON
Switch Type: NTDMS100
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info