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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
410-639MDVERIZON MARYLAND, INC. (Verizon Communications)9212ROCK HALLRKHLMDRHRS000/00/0000Prefix Type: RBOC
Switch Name: ROCK HALL
Switch Type: NTDMSRSC
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
Thousands block for 410-639
410-639-0MDCORE COMMUNICATIONS, INC.- MD2593ROCK HALLNOCLLIKNOWN03/05/2004Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212ROCK HALLRKHLMDRHRS0N/APrefix Type: RBOC
Switch Name: ROCK HALL
Switch Type: NTDMSRSC
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-3MDONVOY, LLC - MD (Sinch)876DROCK HALLNOCLLIKNOWN03/21/2017Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-4MDIDT AMERICA, CORP. - MD228CROCK HALLNOCLLIKNOWN04/10/2006Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-5MDMCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD (Verizon Communications)7228ROCK HALLESTNMDES5MD07/05/2017Prefix Type: CLEC
Switch Name: EASTON
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-6MDONVOY, LLC - MD (Sinch)876DROCK HALLNOCLLIKNOWN02/05/2021Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212ROCK HALLRKHLMDRHRS0N/APrefix Type: RBOC
Switch Name: ROCK HALL
Switch Type: NTDMSRSC
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-8MDTELNYX LLC073HROCK HALLNOCLLIKNOWN08/31/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info
410-639-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212ROCK HALLRKHLMDRHRS0N/APrefix Type: RBOC
Switch Name: ROCK HALL
Switch Type: NTDMSRSC
LATA: Salisbury MD (242)
Tandem: N/A
Detailed Switch Info