npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
414-421 | WI | WISCONSIN BELL INC (AT&T) | 9327 | MILWAUKZN3 | MILWWI10DSA | 00/00/0000 | Prefix Type: RBOC Switch Name: MILWAUKEE Switch Type: WECO 5ESS (Digital) LATA: southeastern WI (356) Tandem: N/A Detailed Switch Info |