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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
240-773 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WSNGTNZN10 | RKVLMDRVDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: WASZ 10 - ROCKVILLE Switch Type: Northern Telecom DMS100 (Digital) Host LATA: N/A Tandem: N/A Detailed Switch Info |