npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
309-257 | IL | MCDONOUGH TEL. COOP. | 1047 | LITTLETON | CLCHILXDDS0 | 00/00/0000 | Prefix Type: ICO Switch Name: COLCHESTER (1047) Switch Type: NTDMS10 LATA: Macomb IL (977) Tandem: MCMBILXD50T Detailed Switch Info |