Warning: site is in maintainance mode, data may not be accurate and some queries may not work!
| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 423-257 | TN | UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN (Lumen Technologies, Inc) | N/A | 4510 | LIMESTONE | LMSTTNXADS0 | 00/00/0000 | Prefix Type: ICO Switch Name: LIMESTONE Switch Type: Northern Telecom DMS10 (Digital) LATA: N/A Tandem: N/A Detailed Switch Info |
