npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
520-439 | AZ | QWEST CORPORATION | 9636 | SIERRAVIST | SRVSAZMADS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: SIERRA VISTA MAIN Switch Type: Northern Telecom DMS100 (Digital) LATA: Tucson AZ (668) Tandem: TCSNAZMA04T Detailed Switch Info |