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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-238MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS000/00/0000Prefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-238
301-238-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS011/21/2001Prefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS006/10/2004Prefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-2MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS0N/APrefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-3MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN16TMHLMDTHDS0N/APrefix Type: RBOC
Switch Name: WASZ 5
Switch Type: Northern Telecom DMS10 (Digital)
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-4MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN16CHCHMDBE6MD01/21/2005Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-5MDPAETEC COMMUNICATIONS, INC. - MD (Windstream Communications)4716WSNGTNZN16CHCHMDBE6MD01/26/2007Prefix Type: CLEC
Switch Name: MONTGOMERY
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-6MDCORE COMMUNICATIONS, INC.- MD2593WSNGTNZN16NOCLLIKNOWN03/15/2019Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-7MDONVOY, LLC - MD (Sinch)876DWSNGTNZN16NOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-8MDONVOY, LLC - MD (Sinch)876DWSNGTNZN16NOCLLIKNOWN03/02/2016Prefix Type: CLEC
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-238-9MDONVOY SPECTRUM, LLC (Sinch)624HWSNGTNZN16NOCLLIKNOWN04/22/2021Prefix Type: WIRELESS
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info