npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
520-587 | AZ | NEW CINGULAR WIRELESS PCS, LLC (AT&T Wireless) | 6010 | PORTAL | TCSMAZCH1MD | 09/24/2021 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: Cellular Mobile Carrier Switching System LATA: Tucson AZ (668) Tandem: N/A Detailed Switch Info |