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| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 920-871 | WI | TWC IP ENABLED SERVICES, LLC | 793K | HILBERT | MILWWI12CMD | 12/06/2006 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A Detailed Switch Info |
| 920-881 | WI | TWC IP ENABLED SERVICES, LLC | 793K | ST NAZIANZ | MILWWI12CMD | 04/10/2007 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A Detailed Switch Info |
| 920-953 | WI | TWC IP ENABLED SERVICES, LLC | 793K | VALDERS | MILWWI12CMD | 03/14/2007 | Prefix Type: UNKNOWN Switch Name: N/A Switch Type: N/A LATA: southeastern WI (356) Tandem: N/A Detailed Switch Info |
