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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
443-643MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS000/00/0000Prefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
Thousands block for 443-643
443-643-0MDPEERLESS NETWORK OF MARYLAND, LLC568GBEL AIRNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212BEL AIRBLARMDBLDS0N/APrefix Type: RBOC
Switch Name: BEL AIR
Switch Type: WECO 5ESS Host (Digital)
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-5MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-6MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-7MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-8MDNEW CINGULAR WIRELESS PCS, LLC - DC (AT&T Wireless)4036BEL AIRCLMAMDORGT003/22/2006Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
443-643-9MDPEERLESS NETWORK OF MARYLAND, LLC568GBEL AIRNOCLLIKNOWN04/04/2013Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Baltimore MD (238)
Tandem: N/A
Detailed Switch Info
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