Local Calling Guide
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Switch: OKBRILOA
| Switch (link to prefixes) | Switch name | Company |
|---|---|---|
| OKBRILOA01T | OAK BROOK | |
| OKBRILOADC2 | OAK BROOK | 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
| OKBRILOADS0 | OAK BROOK | 9329 ILLINOIS BELL TEL CO |
| OKBRILOADS2 | OAK BROOK | 7421 AT&T - LOCAL |
| OKBRILOADS3 | OAK BROOK | 7421 AT&T - LOCAL |
| OKBRILOAHMD | 7421 AT&T - LOCAL | |
| OKBRILOAIMD | 7421 AT&T - LOCAL | |
| OKBRILOAXEX | 7314 TELEPORT COMMUNICATIONS AMERICA, LLC - IN | |
| OKBRILOAXEX | 7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
Last updated: Thu, 20 Nov 2025 13:34:34 UTC
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