| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 815-943 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | HARVARD | HRVRILHVRS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: HARVARD Switch Type: N/A LATA: Chicago IL METRO (358) Tandem: NBRKILNT55T Detailed Switch Info |
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Last Updated: Sat Nov 23 07:44:14 2024