npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
520-421 | AZ | QWEST CORPORATION | 9636 | CASAGRANDE | CSGRAZMADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CASA GRANDE Switch Type: Northern Telecom DMS100 (Digital) LATA: Phoenix AZ (666) Tandem: PHNXAZMA07T Detailed Switch Info |