Local Calling Guide
Area code/prefix search
Chicago Zone 01-Canal, IL
NPA-NXX | BLOCK | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|
312-993 | 4 | CHCGILCLDS0 | 9329 ILLINOIS BELL TEL CO | 358 | |||
312-993 | 5 | CHCGILCLDS0 | 9329 ILLINOIS BELL TEL CO | 358 | |||
312-993 | 6 | CHCGILCLDS0 | 9329 ILLINOIS BELL TEL CO | 358 | |||
312-993 | 7 | CHCGILCLDS0 | 9329 ILLINOIS BELL TEL CO | 358 | |||
312-993 | 8 | CHCGILCLDS0 | 9329 ILLINOIS BELL TEL CO | 358 | |||
312-993 | 9 | CHCGILIDXDX | 624H ONVOY SPECTRUM, LLC | 358 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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