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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
667-492 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SEVERN | BLTMMDCHXNX | 05/31/2024 | Prefix Type: CLEC Switch Name: N/A Switch Type: Digital Switching System LATA: N/A Tandem: N/A Detailed Switch Info |