Local Calling Guide
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Switch: BLTMMD91
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| BLTMMD9101W | BALTIMORE | |
| BLTMMD9102W | BALTIMORE | |
| BLTMMD915MD | 691H AIRUS, INC. - MD | |
| BLTMMD91CA0 | BALTIMORE | |
| BLTMMD91DS0 | BALTIMORE | |
| BLTMMD91DS1 | BALTIMORE | |
| BLTMMD91DS2 | BALTIMORE | 2596 QUANTUM TELECOMMUNICATIONS, INC. - MD |
| BLTMMD91GT0 | BALTIMORE | 2593 CORE COMMUNICATIONS, INC.- MD |
Last updated: Sun, 07 Dec 2025 22:02:11 UTC
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