Local Calling Guide
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Switch: CHCGILGM
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| CHCGILGM05T | ||
| CHCGILGM4MD | 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | |
| CHCGILGMCM9 | CHICAGO | |
| CHCGILGMDS7 | CHICAGO | 4803 LEVEL 3 COMMUNICATIONS, LLC - IN |
| CHCGILGMDS7 | CHICAGO | 5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
| CHCGILGMDS7 | CHICAGO | 732J NUSO, LLC |
| CHCGILGMDS7 | CHICAGO | 6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
| CHCGILGMDS8 | CHICAGO | |
| CHCGILGMPMD | 597F VOIP INNOVATIONS, LLC |
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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