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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-770MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARGRGBSNISARMGMDARDS000/00/0000Prefix Type: RBOC
Switch Name: ARMIGER-GIBSON ISLAND
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-770
443-770-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARGRGBSNISARMGMDARDS0N/APrefix Type: RBOC
Switch Name: ARMIGER-GIBSON ISLAND
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-1MDUS LEC OF MARYLAND, INC.2589ARGRGBSNISCLMAMDJTDS012/16/2003Prefix Type: CLEC
Switch Name: COLUMBIA
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-2MDBANDWIDTH.COM CLEC, LLC - MD071FARGRGBSNISNOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-3MDBANDWIDTH.COM CLEC, LLC - MD071FARGRGBSNISNOCLLIKNOWN05/04/2011Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-4MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036ARGRGBSNISNOCLLIKNOWN09/12/2013Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARGRGBSNISARMGMDARDS011/15/2005Prefix Type: RBOC
Switch Name: ARMIGER-GIBSON ISLAND
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-6MDONVOY, LLC - MD (Inteliquent)876DARGRGBSNISNOCLLIKNOWN08/07/2014Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-7MDCENTURYLINK COMMUNICATIONS, LLC (CenturyLink, Inc)508JARGRGBSNISBLTMMDDN2MD05/27/2014Prefix Type: IPES
Switch Name: GLENBURNIE
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARGRGBSNISARMGMDARDS0N/APrefix Type: RBOC
Switch Name: ARMIGER-GIBSON ISLAND
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-770-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ARGRGBSNISARMGMDARDS0N/APrefix Type: RBOC
Switch Name: ARMIGER-GIBSON ISLAND
Switch Type: WECO 5ESS (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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