npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
312-327 | IL | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | CHICGOZN01 | CHCGILTCDS0 | 00/00/0000 | Prefix Type: CLEC Switch Name: CHICGOZN01 Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A Detailed Switch Info |