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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
410-738 | MD | VERIZON MARYLAND, INC. (Verizon Communications) | 9212 | WATERLO236 | MRKKMDMKDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: MUIRKIRK Switch Type: NTDMS100 LATA: N/A Tandem: N/A Detailed Switch Info |