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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-545MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS100/00/0000Prefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
Thousands block for 301-545
301-545-0MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-1MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-2MDCOMCAST IP PHONE, LLC (Comcast)318JWSNGTNZN10NOCLLIKNOWN07/18/2017Prefix Type: IPES
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-3MDBARR TELL USA, INC.964HWSNGTNZN10NOCLLIKNOWN04/26/2018Prefix Type: UNKNOWN
Switch Name: N/A
Switch Type: N/A
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-4MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-5MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-6MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-7MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-8MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info
301-545-9MDVERIZON MARYLAND, INC. (Verizon Communications)9212WSNGTNZN10RKVLMDRVDS1N/APrefix Type: RBOC
Switch Name: WASZ 10 - ROCKVILLE
Switch Type: Northern Telecom DMS100 (Digital) Host
LATA: N/A
Tandem: N/A
Detailed Switch Info