Local Calling Guide
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Switch: PTMOOHXA
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| PTMOOHXA3MD | ||
| PTMOOHXA51T | PORTSMOUTH | |
| PTMOOHXADMD | 024E ARMSTRONG TELECOMMUNICATIONS, INC. - OH | |
| PTMOOHXADS0 | PORTSMOUTH MAIN | 0615 FRONTIER NORTH, INC. - OH |
| PTMOOHXALMD | 601G HORIZON SERVICES, INC. - OH | |
| PTMOOHXAMMD | ||
| PTMOOHXAUMD | ||
| PTMOOHXAVMD | 6596 RAM TECHNOLOGIES, INC. - OH | |
| PTMOOHXAWMD | ||
| PTMOOHXAX0X | 464C ONVOY, LLC - OH | |
| PTMOOHXAXMD | 624H ONVOY SPECTRUM, LLC | |
| PTMOOHXAZMD |
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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