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npa-nxxStateCompanyOCNRate CenterCLLIAssign DateMisc
301-251MDVERIZON 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
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