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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 210-586 | TX | SOUTHWESTERN BELL | N/A | 9533 | SANANTONIO | SNANTXTADS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: TAYLOR Switch Type: Northern Telecom DMS100 (Digital) Host LATA: N/A Tandem: SNANTXCA03T 🔧 Explore Switch(CLLI: SNANTXTADS1)) |