Local Calling Guide
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Switch: CHTGTNMA
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| CHTGTNMATMD | 7421 AT&T - LOCAL | |
| CHTGTNMAX9X | ||
| CHTGTNMAXTX | 6630 USA MOBILITY WIRELESS, INC. | |
| CHTGTNMAXVX | 516C AT&T CORP. | |
| CHTGTNMAXYX |
Last updated: Wed, 04 Mar 2026 03:00:52 UTC
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