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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
410-656 | MD | ARMSTRONG TELECOMMUNICATIONS, INC. - MD | 420C | NORTH EAST | BLTMMDCH47Z | 05/30/2008 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: N/A Tandem: N/A Detailed Switch Info |