Local Calling Guide
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Switch: DLLSTX23
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| DLLSTX230MD | 6833 HELMSCO, INC. | |
| DLLSTX23BMD | 7399 WESTEL, INC. - TX | |
| DLLSTX23WD3 | DALLAS | 6833 HELMSCO, INC. |
| DLLSTX23X9X | 135H PEOPLES COMMUNICATION, INC. -TX | |
| DLLSTX23XRZ |
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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