Local Calling Guide
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Switch: CMSTTXXA
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| CMSTTXXA0MD | 2039 BIG BEND TEL. CO., INC. | |
| CMSTTXXADS0 | COMSTOCK |
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: VoIP Much Phone Company
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