Local Calling Guide
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Switch: HRLNTXAT
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| HRLNTXAT1MD | 7421 AT&T - LOCAL | |
| HRLNTXATJMD | 7421 AT&T - LOCAL | |
| HRLNTXATTMD | 7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX | |
| HRLNTXATTMD | 7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX | |
| HRLNTXATXMD | 6630 USA MOBILITY WIRELESS, INC. | |
| HRLNTXATYMD | 516C AT&T CORP. | |
| HRLNTXATZMD | 7421 AT&T - LOCAL |
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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