Local Calling Guide
Area code/prefix search
Switch: CHCGILCLDS9
- Switch name: CHICAGO
- Switch type: 5E
- See all switches at this location
NPA-NXX | BLOCK | Rate Centre | Region | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|
312-239 | A | Chicago Zone 01-Canal | IL | 7421 AT&T - LOCAL | 358 | |||
312-239 | 4 | Chicago Zone 01-Canal | IL | 7421 AT&T - LOCAL | 358 | |||
312-239 | 5 | Chicago Zone 01-Canal | IL | 7421 AT&T - LOCAL | 358 | |||
312-239 | 9 | Chicago Zone 01-Canal | IL | 7421 AT&T - LOCAL | 358 | |||
773-952 | 5 | Chicago Zone 07-Stewart | IL | 7421 AT&T - LOCAL | 358 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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