npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
443-524 | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | BALTIMORE | BLTMMDCDDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: BALTIMORE Switch Type: N/A LATA: Baltimore MD (238) Tandem: N/A Detailed Switch Info |