npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
214-719 | TX | HELMSCO, INC. | 6833 | DALLAS | DLLSTX23WD3 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Dallas TX (552) Tandem: N/A Detailed Switch Info |
903-719 | TX | HELMSCO, INC. | 6833 | CORSICANA | DLLSTX23WD3 | 00/00/0000 | Prefix Type: WIRELESS Switch Name: N/A Switch Type: N/A LATA: Dallas TX (552) Tandem: N/A Detailed Switch Info |