Local Calling Guide
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Switch: DUMSTXXA
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| DUMSTXXA02T | ||
| DUMSTXXA5MD | 0132 AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX | |
| DUMSTXXA6MD | 6529 T-MOBILE USA, INC. | |
| DUMSTXXA7MD | ||
| DUMSTXXACA0 | DUMAS | |
| DUMSTXXADS2 | DUMAS | 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW |
| DUMSTXXAGT0 | ||
| DUMSTXXAPS0 | DUMAS | 1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW |
Last updated: Sun, 07 Dec 2025 22:02:11 UTC
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