Local Calling Guide
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Switch: CHTGTNMA
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| CHTGTNMATMD | 7421 AT&T - LOCAL | |
| CHTGTNMAX9X | ||
| CHTGTNMAXTX | 6630 SPOK, INC. | |
| CHTGTNMAXVX | 516C AT&T CORP. | |
| CHTGTNMAXYX |
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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