npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
920-992 | WI | CENTURYTEL SOUTHERN WISCONSIN (CenturyLink, Inc) | 0931 | RIO | RIO WIXARS0 | 00/00/0000 | Prefix Type: ICO Switch Name: RIO Switch Type: AT&T 5ESS-2000 VCDX LATA: N/A Tandem: N/A Detailed Switch Info |