npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
224-320 | IL | FIRST COMMUNICATIONS, LLC - IL | 4604 | LAKEZURICH | CHCGIL24DS3 | 01/21/2002 | Prefix Type: CLEC Switch Name: N/A Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: N/A Detailed Switch Info |